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Engine Parts & Tuning Hardware

Unleash Your Engine's Power: Performance Parts & Accessories

At Optimiz Access, we offer a vast lineup of engine performance parts and accessories to boost the output of your sports vehicle or premium automobile. Optimize your engine for extreme performance and enjoy an exhilarating driving experience on both road and track.

Key benefits of engine tuning: substantial horsepower and torque gains for rapid acceleration, sharper throttle response, enhanced mechanical reliability using high-strength components, and tailored custom tuning suited to all engines.

Essential Products to Maximize Engine Performance

Discover all our precision-engineered components designed to increase efficiency and durability in your engine block:

  • Cold Air Intakes & Air Filtration – Performance sports filters and carbon intake systems for maximum air filling.
  • Intercoolers & Charge Coolers – Efficient intake air cooling to sustain consistent power output under heavy loads.
  • Forged Pistons & Connecting Rods – Heavy-duty internal components built to withstand extreme temperatures and boost pressures.
  • Turbos & Superchargers – Forced induction upgrades delivering significant power increases.
  • Ignition & Servicing – Competition spark plugs, high-output ignition coils, and high-performance oil filters.

Industry-Leading Benchmark Brands

We stock top tuning and motorsport manufacturers: Wagner Tuning, Forge Motorsport, Magnecor, Green Filter, BMC Filter, NGK, Vibra Technics, and Powerflex. We also supply OEM factory parts to ensure meticulous engine maintenance.

Why you should Choose Optimiz Access for Your Engine Upgrades

Since 2010, Optimiz Access has specialized in selecting top-tier engine components for the custom upgrading and maintenance of sports vehicles. Located in northern France (Hauts-de-France) — near Lille, Valenciennes, Cambrai, Arras, Seclin, Douai, and Saint-Quentin —, our expert technicians guide your hardware selection and provide professional installation in our workshop. We ensure strict quality control along with fast worldwide shipping.

Unleash Your Engine's Full Potential Today

Give your car the raw power and sharp response it deserves. Trust the expertise of Optimiz Access, select your engine performance parts today, and benefit from our fast dispatch.

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  • Categories: Entretien
  • Categories: Filtration
En Stock
€0.70 Price
En Stock
€0.70 Price
Vis fixation carter huile courte Twingo 2 RS
      Short Oil Sump Mounting Bolt – Renault Twingo 2 RS The short oil sump mounting bolt, reference 8200635079 , is a fastening component designed for the oil sump assembly of the Renault Twingo 2...
      €0.70Price
      Vis fixation carter huile courte Twingo 2 RS
          Short Oil Sump Mounting Bolt – Renault Twingo 2 RS The short oil sump mounting bolt, reference 8200635079 , is a fastening component designed for the oil sump assembly of the Renault Twingo 2...
          €0.70Price
          En Stock
          €1.52 Price
          En Stock
          €1.52 Price
          Vis fixation plénum sur collecteur Twingo 2 RS
              Vis fixation plénum sur collecteur Twingo 2 RS Vis H embase M6-28 CL:8.8 Référence: 7703002662-7703002559-7707002022
              €1.52Price
              Vis fixation plénum sur collecteur Twingo 2 RS
                  Vis fixation plénum sur collecteur Twingo 2 RS Vis H embase M6-28 CL:8.8 Référence: 7703002662-7703002559-7707002022
                  €1.52Price
                  En Stock
                  €1.52 Price
                  En Stock
                  €1.52 Price
                  Vis H embase M6-19 CL:8.8Vis H embase M6-19 CL:8.8
                      Vis H embase M6-19 CL:8.8 Pour fixation guide jauge (par exemple) Référence: 7703002659-7703002660-7703008215-681988703R
                      €1.52Price
                      Vis H embase M6-19 CL:8.8Vis H embase M6-19 CL:8.8
                          Vis H embase M6-19 CL:8.8 Pour fixation guide jauge (par exemple) Référence: 7703002659-7703002660-7703008215-681988703R
                          €1.52Price
                          Entretoise galet enrouleur courroie distribution Twingo 2 RSEntretoise galet enrouleur courroie distribution Twingo 2 RS
                              Entretoise galet enrouleur courroie distribution Twingo 2 RS Référence: 7700109369-119313155R
                              €4.27Price
                              Entretoise galet enrouleur courroie distribution Twingo 2 RSEntretoise galet enrouleur courroie distribution Twingo 2 RS
                                  Entretoise galet enrouleur courroie distribution Twingo 2 RS Référence: 7700109369-119313155R
                                  €4.27Price
                                  En Stock
                                  €1.08 Price
                                  En Stock
                                  €1.08 Price
                                  Agrafe support sonde lambda Megane 3 RS et N4Agrafe support sonde lambda Megane 3 RS et N4
                                      Agrafe support sonde lambda Megane 3 RS et N4 Référence: 7703079452
                                      €1.08Price
                                      Agrafe support sonde lambda Megane 3 RS et N4Agrafe support sonde lambda Megane 3 RS et N4
                                          Agrafe support sonde lambda Megane 3 RS et N4 Référence: 7703079452
                                          €1.08Price
                                          Support electrovanne purge canister Megane 3 RS et N4Support electrovanne purge canister Megane 3 RS et N4
                                              Support electrovanne purge canister Megane 3 RS et N4 Référence: 8200929275
                                              €7.72Price
                                              Support electrovanne purge canister Megane 3 RS et N4Support electrovanne purge canister Megane 3 RS et N4
                                                  Support electrovanne purge canister Megane 3 RS et N4 Référence: 8200929275
                                                  €7.72Price
                                                  Joint de flasque support bague de vilebrequin Twingo RS et Wind
                                                      Joint de flasque support bague de vilebrequin Twingo RS et Wind Référence: 8200182129
                                                      €9.72Price
                                                      Joint de flasque support bague de vilebrequin Twingo RS et Wind
                                                          Joint de flasque support bague de vilebrequin Twingo RS et Wind Référence: 8200182129
                                                          €9.72Price
                                                          Kit joint torique pour régulateur de pression de rampe
                                                              Kit joint torique pour régulateur de pression de rampe
                                                              €13.08Price
                                                              Kit joint torique pour régulateur de pression de rampe
                                                                  Kit joint torique pour régulateur de pression de rampe
                                                                  €13.08Price
                                                                  Couvercle protection boitier éléctronique Megane 3 RS et N4
                                                                      Couvercle protection boitier éléctronique Megane 3 RS et N4
                                                                      €25.51Price
                                                                      Couvercle protection boitier éléctronique Megane 3 RS et N4
                                                                          Couvercle protection boitier éléctronique Megane 3 RS et N4
                                                                          €25.51Price
                                                                          Jauge à huile électronique Clio 3 RS - Megane 2 RS
                                                                              Do you own a Renault Clio 3 RS or a Renault Megane 2 RS and worry about not having a clear and reliable view of your sports engine's oil level? Does the lack of precise information on your dashboard stress you out before every track session or dynamic drive? Don't let doubt linger any longer! This original RENAULT electronic oil level gauge ...
                                                                              €98.82Price
                                                                              Jauge à huile électronique Clio 3 RS - Megane 2 RS
                                                                                  Do you own a Renault Clio 3 RS or a Renault Megane 2 RS and worry about not having a clear and reliable view of your sports engine's oil level? Does the lack of precise information on your dashboard stress you out before every track session or dynamic drive? Don't let doubt linger any longer! This original RENAULT electronic oil level gauge ...
                                                                                  €98.82Price
                                                                                  En Stock
                                                                                  €53.98 €63.50 Regular price -15% off Price
                                                                                  En Stock
                                                                                  €53.98 €63.50 Regular price -15% off Price
                                                                                  Castrol EDGE 0w40 RN17RSA Oil - Renault Clio 4 RS, Megane 4 RS, Alpine A110Castrol EDGE 0w40 RN17RSA Oil - Renault Clio 4 RS, Megane 4 RS, Alpine A110
                                                                                    • On sale!
                                                                                    Preserve the raw output, responsiveness, and longevity of your modern turbocharged engine with Castrol EDGE 5L 0w40 RN17RSA motor oil . Explicitly formulated under factory reference 7711943670 to meet the strict engineering approval demands of Renault Sport...
                                                                                    €53.98€63.50Regular price-15% offPrice
                                                                                    Castrol EDGE 0w40 RN17RSA Oil - Renault Clio 4 RS, Megane 4 RS, Alpine A110Castrol EDGE 0w40 RN17RSA Oil - Renault Clio 4 RS, Megane 4 RS, Alpine A110
                                                                                      • On sale!
                                                                                      Preserve the raw output, responsiveness, and longevity of your modern turbocharged engine with Castrol EDGE 5L 0w40 RN17RSA motor oil . Explicitly formulated under factory reference 7711943670 to meet the strict engineering approval demands of Renault Sport...
                                                                                      €53.98€63.50Regular price-15% offPrice
                                                                                      En Stock
                                                                                      €42.67 Price
                                                                                      En Stock
                                                                                      €42.67 Price
                                                                                      Genuine Renault Megane 4 RS Grille Air Intake ScoopGenuine Renault Megane 4 RS Grille Air Intake Scoop
                                                                                          Don't starve your engine of its vital fresh air supply. This genuine Renault front grille air intake scoop is the essential manufacturer part required to capture fresh air at the front bumper and route it directly to the intake duct of your Renault Megane 4 RS . Positioned on the front line, this scoop is highly vulnerable...
                                                                                          €42.67Price
                                                                                          Genuine Renault Megane 4 RS Grille Air Intake ScoopGenuine Renault Megane 4 RS Grille Air Intake Scoop
                                                                                              Don't starve your engine of its vital fresh air supply. This genuine Renault front grille air intake scoop is the essential manufacturer part required to capture fresh air at the front bumper and route it directly to the intake duct of your Renault Megane 4 RS . Positioned on the front line, this scoop is highly vulnerable...
                                                                                              €42.67Price
                                                                                              En Stock
                                                                                              €14.65 Price
                                                                                              En Stock
                                                                                              €14.65 Price
                                                                                              Engine Oil Jet Renault Megane 3 RSEngine Oil Jet Renault Megane 3 RS
                                                                                                  Engine Oil Jet – Renault Megane 3 RS Engine oil jet designed for compatible Renault Megane 3 RS applications. This component directs engine oil to specific areas of the engine to support lubrication and help manage operating temperatures. Check compatibility with your engine before ordering.
                                                                                                  €14.65Price
                                                                                                  Engine Oil Jet Renault Megane 3 RSEngine Oil Jet Renault Megane 3 RS
                                                                                                      Engine Oil Jet – Renault Megane 3 RS Engine oil jet designed for compatible Renault Megane 3 RS applications. This component directs engine oil to specific areas of the engine to support lubrication and help manage operating temperatures. Check compatibility with your engine before ordering.
                                                                                                      €14.65Price
                                                                                                      Complete Original RENAULT Air Box (Filter Housing) - Megane 4 RSComplete Original RENAULT Air Box (Filter Housing) - Megane 4 RS
                                                                                                          165001509R Original RENAULT SPORT Air Box (Filter Housing) – Complete with Filter – Megane 4 RS Do not compromise the breathing and longevity of your Megane 4 RS engine. This original RENAULT air box is delivered complete with its...
                                                                                                          €258.34Price
                                                                                                          Complete Original RENAULT Air Box (Filter Housing) - Megane 4 RSComplete Original RENAULT Air Box (Filter Housing) - Megane 4 RS
                                                                                                              165001509R Original RENAULT SPORT Air Box (Filter Housing) – Complete with Filter – Megane 4 RS Do not compromise the breathing and longevity of your Megane 4 RS engine. This original RENAULT air box is delivered complete with its...
                                                                                                              €258.34Price
                                                                                                              En Stock
                                                                                                              €127.19 Price
                                                                                                              En Stock
                                                                                                              €127.19 Price
                                                                                                              Green Replacement Air Filters | BMW M3 G80 - M4 G82Green Replacement Air Filters | BMW M3 G80 - M4 G82
                                                                                                                  Don't let a restrictive intake system stifle your S58 engine's performance. The Green Filter replacement kit (reference P965047/2 ) is specifically engineered for the BMW M3 G80 and M4 G82 . By replacing your disposable paper filters, you eliminate intake pressure drop and allow your turbos to breathe...
                                                                                                                  €127.19Price
                                                                                                                  Green Replacement Air Filters | BMW M3 G80 - M4 G82Green Replacement Air Filters | BMW M3 G80 - M4 G82
                                                                                                                      Don't let a restrictive intake system stifle your S58 engine's performance. The Green Filter replacement kit (reference P965047/2 ) is specifically engineered for the BMW M3 G80 and M4 G82 . By replacing your disposable paper filters, you eliminate intake pressure drop and allow your turbos to breathe...
                                                                                                                      €127.19Price
                                                                                                                      En Stock
                                                                                                                      €19.99 Price
                                                                                                                      En Stock
                                                                                                                      €19.99 Price
                                                                                                                      Huile Motul Eighties 10w40 (bidon de 2L)
                                                                                                                          Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
                                                                                                                          €19.99Price
                                                                                                                          Huile Motul Eighties 10w40 (bidon de 2L)
                                                                                                                              Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
                                                                                                                              €19.99Price
                                                                                                                              Joint décanteur huile
                                                                                                                                  Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
                                                                                                                                  €39.17Price
                                                                                                                                  Joint décanteur huile
                                                                                                                                      Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
                                                                                                                                      €39.17Price
                                                                                                                                      Plot elastique support filtre à air Megane 3 RS et N4Plot elastique support filtre à air Megane 3 RS et N4
                                                                                                                                          Plot elastique support filtre à air Megane 3 RS et N4 Référence: 8200013905
                                                                                                                                          €4.10Price
                                                                                                                                          Plot elastique support filtre à air Megane 3 RS et N4Plot elastique support filtre à air Megane 3 RS et N4
                                                                                                                                              Plot elastique support filtre à air Megane 3 RS et N4 Référence: 8200013905
                                                                                                                                              €4.10Price
                                                                                                                                              Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                                                                  Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                                                                  €75.14Price
                                                                                                                                                  Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                                                                      Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                                                                      €75.14Price
                                                                                                                                                      Dispo selon configuration
                                                                                                                                                      €122.26 €131.47 Regular price -7% off Price
                                                                                                                                                      Dispo selon configuration
                                                                                                                                                      €122.26 €131.47 Regular price -7% off Price
                                                                                                                                                      Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40
                                                                                                                                                        • Pack
                                                                                                                                                        Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                                        €122.26€131.47Regular price-7% offPrice
                                                                                                                                                        Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40
                                                                                                                                                          • Pack
                                                                                                                                                          Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                                          €122.26€131.47Regular price-7% offPrice
                                                                                                                                                          Plot Filtrant (caoutchouc) de boite à air Megane 3 RS
                                                                                                                                                              Plot Filtrant (caoutchouc) de boite à air Megane 3 RS Référence: 8200805690
                                                                                                                                                              €4.98Price
                                                                                                                                                              Plot Filtrant (caoutchouc) de boite à air Megane 3 RS
                                                                                                                                                                  Plot Filtrant (caoutchouc) de boite à air Megane 3 RS Référence: 8200805690
                                                                                                                                                                  €4.98Price
                                                                                                                                                                  Dispo selon configuration
                                                                                                                                                                  €127.52 €131.47 Regular price -3% off Price
                                                                                                                                                                  Dispo selon configuration
                                                                                                                                                                  €127.52 €131.47 Regular price -3% off Price
                                                                                                                                                                  Kit Vidange Motul 300V 15w50 Clio 16S/WilliamsKit Vidange Motul 300V 15w50 Clio 16S/Williams
                                                                                                                                                                    • Pack
                                                                                                                                                                    Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                                                    €127.52€131.47Regular price-3% offPrice
                                                                                                                                                                    Kit Vidange Motul 300V 15w50 Clio 16S/WilliamsKit Vidange Motul 300V 15w50 Clio 16S/Williams
                                                                                                                                                                      • Pack
                                                                                                                                                                      Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                                                      €127.52€131.47Regular price-3% offPrice