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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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Active filters
Cale admission porte injecteur Twingo R2 195/205
Référence: 7711167613
€693.23Price
Planche étiquette POWER BOX Twingo R2
Référence: 7711162629
€18.50Price
Maintien câblage boitier BSM Megane 3 RS et N4
€4.30Price
En Stock
€421.38
Price
En Stock
€421.38
Price
Ensure optimal engine cooling for your Renault Clio 3 RS or Twingo RS with this genuine Renault cooling fan motor + blade assembly (GMV) . A key component of thermal management, it's essential for preventing overheating and maintaining your sports car's performance. Don't compromise your engine's health with a failing cooling system.
€421.38Price
Support connecteur Cablage Megane 3 RS et N4
Référence: 242300002R
€34.04Price
Joint d'échangeur (modine) d'huile Clio 3 RS
€14.36Price
Couvercle protection boitier éléctronique Megane 3 RS et N4
€25.51Price
Is your engine struggling to reach its operating temperature? The genuine Renault water housing valve is the essential technical solution for Renault Megane 4 RS and Megane 4 GT TCE 205 owners. This authentic part corrects the frequent symptom of a vehicle that no longer warms up , protecting your engine from premature wear...
€576.16Price
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
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En Stock
€53.98
€63.50
Regular price
-15% off
Price
- On sale!
- 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
Cablage bac à batterie Megane N4
Référence: 7711167169
€449.09Price
En Stock
€230.05
€270.65
Regular price
-15% off
Price
En Stock
€230.05
€270.65
Regular price
-15% off
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The secret to 182 horsepower ! You wouldn't want to restrict the intake potential of your Clio 2 RS ?
This Intake Manifold , also known as the Injector Rail Spacer , is the Original RENAULT part specific to the Clio 2 RS 182 hp models (compatible with all...
€230.05€270.65Regular price-15% offPrice
Jeu de câbles de puissance Twingo R2
Référence: 7711162774
€169.28Price
Radiateur d'eau latéral Wagner BMW M3 / M4 F80/F82/F83
Le moteur turbo S55B30 de 3,0 litres des modèles BMW M3/M4 est équipé d'un circuit de refroidissement par air à suralimentation indirecte....
€1,250.00Price
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
Relais cablage
Référence: 8200337666 remplace les ref : 8200587121 et 8200786806 et <span...
€35.54Price
Agrafe double tuyau d'eau vers radiateur intérieur Twingo 2
Référence: 7703079857
€2.83Price
Patte fixation support durites d'eau Megane 3 RS et N4
€6.37Price
Tuyau dégazage passe cloison / Staubli 2 Twingo R2
€149.06Price
Tuyau entrée radiateur de chauffage Megane 3 RS et N4
Référence: 924000017R
€30.60Price
Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
€121.85Price
Tuyau remplissage passe cloison / Staubli 1 Twingo R2
€148.57Price
Clip maintien
Permet de fixer l'isolant tablier sur Clio 2 RS
Référence: 7703081227
€1.99Price
Tuyau entrée reservoir / passe cloison Twingo R2
€115.33Price
Support inférieur radiateur Megane 3 RS et N4
Référence: 215450002R
€4.10Price
Coude réduit 90° sortie de bocal de refroidissement Twingo R2
€27.98Price
Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
€0.83Price