Oil Diverter Valve for S54 Oil Filter Housing 325is Replaces BMW Part # 33171135242

Replaces BMW Part # 33171135242

Recommended Use: Track

Hobbs Switch

Its advanced formula helps to lubricate upper cylinders and the entire fuel system resulting in smoother

Made In the USA

Oil Diverter Valve for S54 Oil Filter Housing 325is Replaces BMW Part # 33171135242Lower oil temps on your Turbo Or Track Car. All the oil filter housings from the Euro S50 and S54 motors came from the factory with a thermostat installed in the oil filter housing. This design was intended for street cars so the engine oil could heat up quicker. However, this thermostat is restrictive and limits the oil flow to the cooler, even when fully opened. This causes overheating issues on Track and Turbo Cars a like. The Boost Monkey Oil