APR Supercharger Drive Pulley - 3.0 TFSI (MS100135) _EA888.1 as is common with open

as is common with open boots that allow dirt to become trapped within

Black Wrinkle Powder Coat Finish

107R Race Octane Booster 32oz can

5 1990 BMW 535i Submodel: E34

Replacement Air Springs - LoadLifter 5000 Ultimate Plus Bellows Type w internal jounce bumper

APR Supercharger Drive Pulley - 3.0 TFSI (MS100135) _EA888.1 as is common with openAPR's Supercharger Drive and Crank Pulley Upgrades dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger. APR's Stage II Pulley ECU Upgrade makes the necessary engine management adjustments to handle the increased supercharger speeds, and in turn allows the engine to create more power. The pulleys are sold separately, allowing for multiple levels of performance, each of which builds upon the other.