Polyurethane Shifter Arm Carrier Bushing - E36 E46 E9X F30 F32 E39 E60 flex fuel dapater to -6N and allowing in more boost

and allowing in more boost and advance timing

0 chain drive

and you can flash

Leaving these ports uncovered allows dirt and debris to enter into the AC lines

Polyurethane Shifter Arm Carrier Bushing - E36 E46 E9X F30 F32 E39 E60 flex fuel dapater to -6N and allowing in more boostReplaces Genuine BMW part number 25111222015 and 25111222652This polyurethane bushings is a direct replacement for the OEM bushing. Constructed of softer sure polyurethane, this bushings aids in removing shifter slop with keep NVH through the shifter manageable even for a daily driver. The Boost Monkey rear shifter bushing has been designed to help alleviate shifter play due to an old dry rotted and failed rubber shifter bushings. Choosing a stiffer