Boost Reliability. Improve Cooling . Race with Confidence. 
The VAC Motorsports Billet Aluminum Differential Cover  is the ultimate upgrade for your BMW E36 differential cooling and strength needs. Precision CNC-machined in-house from 6061-T6 billet aluminum, this cover is designed to withstand the rigors of racing and spirited driving while enhancing cooling performance and long-term reliability.
Choose between a Raw Aluminum finish for a raw motorsport look or Anodized Black for added corrosion resistance and a sleek, stealthy appearance.
π§ Key Features: 
Machined from Solid Billet 6061-T6 Aluminum - Stronger than cast factory covers, ensuring long-lasting durability.
 
Increased Fluid Capacity - Keeps differential temperatures in check, especially under high load.
 
Finned Design for Maximum Cooling - Dissipates heat faster than OEM designs.
 
Pre-Machined Provisions - Includes:
Integral vent for street use
 
Pre-machined port for a differential oil temperature sensor
 
Pre-machined port for optional external catch-can setup
 
 
 
Factory-Compatible Mounting - Retains use of all factory hardware with no modification required.
 
Made in the USA - Proudly engineered and manufactured at VAC Motorsports in Philadelphia, PA.
 
 
π‘ Optional Add-Ons: 
π© -8AN Cooler Fittings (+$29.90)
 
π  Aluminum Differential Mount Front Bushing (+$59.95)
 
 
π¨ Finish Options: 
Raw Aluminum
 
Anodized Black
 
 
β
 BMW E36 Fitment: 
Please Note: The E36 Billet Differential Cover uses more aluminum than covers for other models, making it slightly higher in cost--but it remains a high-value upgrade for any serious enthusiast or racer.
 
π Have Questions or Want Help with a Custom Setup? 
VIDEO