Black machined aluminum differential cover for BMW E30 188mm.

Enhance the performance and durability of your BMW E30 with the RacingDiffs Billet differential cover, expertly designed to optimize differential cooling and provide robust protection. This premium cover comes fully equipped with high-quality components, ensuring superior performance without the need for additional purchases.

Key Features:

Optimized Oil Flow Design: Developed after extensive engineering research, our differential cover features a unique internal profile that accelerates oil flow, reducing its temperature by an average of 15%. Each design undergoes rigorous virtual and real-world testing.

Compatibility with Advanced Cooling Systems: Equipped with three strategically located oil ports (M16x1.5), this cover directly supports external oil cooling systems. It is ideal for endurance racing or extended track sessions, ensuring optimal temperature control without the need for welding or modifications.

Premium Materials and Components:

Base Plate: Made from T6-7075 forged aluminum, known for its exceptional mechanical strength and durability.

Powerflex Bushings: Included as standard, they provide superior vibration damping and stability.
Complete Installation Kit: Includes side brackets with secondary mounting supports, a rubber sealing gasket, and all necessary bolts and fasteners.

Customization Options: Personalize the differential cover with your own design. Simply indicate your preferences at checkout.