REAR UPPER WISHBONE OUTER BUSH PFR5-4618 for BMW E46 3 Series M3 BMW 3 Series E46 nor the ability to increase

nor the ability to increase the boost output beyond a level that is within the parameters set by the engine-management-system of the given vehicle at the time of installation

Choice of piston or diaphragm operation on most actuators

with nice details such as the factory drain-hole being retained

While Forge Motorsport is happy to supply you with an actuator

5 ET45/ ET35

REAR UPPER WISHBONE OUTER BUSH PFR5-4618 for BMW E46 3 Series M3 BMW 3 Series E46 nor the ability to increasePowerflex REAR UPPER WISHBONE OUTER BUSH PFR5 4618 PFR5 4618 Powerflex bushes are made from durable polyurethane offering greater performance and longevity over the original rubber components. Diagram Position: 18 Number of Bushes Supplied: 2 OEM Number: 33326771828 Range: ROAD Series