BMW Coolant Expansion Tanks

• Features a billet radiator-style neck for enhanced durability
• Resolves expansion tank issues with a solid, built-in mount
• Eliminates worries about separating and leaking plastic tanks
• Perfectly complements Canton Racing 77-272 MINI power steering tank

BMW Silver Engine Coolant Reservoir Cap is a premium upgrade for BMW owners looking to enhance both the performance and appearance of their engine bay. Crafted from high-strength billet aluminum, this cap replaces the factory plastic version, offering superior durability and a refined, professional look.

Designed with functionality in mind, it integrates the OEM pressure relief system to ensure your engine's cooling system remains safe and efficient. Unlike adhesive covers, which can peel or wear over time, this cap is a direct-fit replacement, providing a secure and leak-proof seal. The silver anodized finish not only enhances the visual appeal but also ensures resistance to corrosion, high temperatures, and wear, making it perfect for daily driving and track use.

• OEM pressure relief integration – Maintains proper cooling system performance and reliability
• Durable billet aluminum – Outperforms factory plastic caps in longevity and strength
• Precision-machined for perfect fitment – Replaces the stock cap securely, not just a cover
• Anodized silver finish – Offers corrosion, heat, and wear resistance
• Elevates engine bay aesthetics – Adds a clean, professional appearance
• Built for both street and track use – Designed to withstand extreme conditions

Enhance your BMW’s cooling system with the BMW Silver Engine Coolant Reservoir Cap, providing both style and functionality for years to come.

BMW Blue Auxiliary Coolant Reservoir Cap is the perfect upgrade for BMW owners looking to enhance both the aesthetics and functionality of their engine bay. Unlike generic aftermarket caps that overlook critical pressure regulation, this precision-engineered cap retains the OEM pressure release functionality, ensuring safe and reliable coolant system performance.

Crafted from high-quality billet aluminum, this reservoir cap offers superior durability and resistance to heat and fluids, preventing warping or degradation over time. Unlike adhesive-based cap covers that can loosen or fall off, this cap is a direct replacement for the factory component, providing a secure, high-performance solution.

• OEM pressure release functionality – Maintains proper system regulation for optimal coolant performance
• Premium billet aluminum construction – Offers enhanced durability and longevity
• Direct replacement design – Secure fit without adhesives or modifications
• Resistant to heat and fluids – Ensures long-lasting reliability in extreme conditions
• Performance-inspired look – Adds a sleek, high-end appearance to your engine bay
• Upgraded durability – Prevents cracking, leaks, and premature wear

Upgrade your BMW’s cooling system with the BMW Blue Auxiliary Coolant Reservoir Cap, blending performance, reliability, and premium styling.

MINI R50 to R53 Expansion Tank / Power Steering Tank - Wrinkle Black Aluminum is a high-quality solution designed to address both coolant expansion and power steering needs in one kit. This kit includes a billet-style expansion tank with a radiator neck that accepts the Canton Racing part #81-030 pressure cap or any 30 psi radiator cap, ensuring a secure and leak-proof seal.

Key benefits of the MINI R50 to R53 Expansion Tank / Power Steering Tank - Wrinkle Black Aluminum include:

• Dual Functionality: Combines both expansion tank and power steering tank into a single, convenient kit.
• Durable Construction: Made from aluminum with a wrinkle black finish, providing long-lasting performance and a sleek appearance.
• Enhanced Sealing: Features a billet radiator-style neck that fits standard 30 psi radiator caps, preventing leaks and ensuring reliable operation.
• Reliable Design: Eliminates the issues associated with plastic tanks, such as separation and leakage.
• Complete Kit: Includes a black expansion tank, black power steering tank, and a Stant cap for easy installation.