Save a lot of money... Preserve your limited slip differential!
When your differential's oil temp gets too high (as it often can when racing BMWs) you lose horsepower and risk CDF (Catastrophic Differential Failure). There is only one way to control it, and that is with proper cooling via our VAC Differential Oil Cooler Kit. Not only will you put your mind at ease knowing you can finish the race, but you will also save money and cut down on rebuilding the rear end components and expensive labor that is associated with it.
This kit installs underneath or inside the trunk and is supplied with: