Bilstein B4 OE Strut (Front Right) - BMW / 528i / 535d / 535i / 550i / 640i Gran Coupe 650i Gran Coupe / ActiveHybrid 5Bilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality. Special Note: Without Electronic Suspension Applications: BMW 528i 2011 2016, 535d 2014

and turbo spool

Removed the Factory Catalytic Converter directly off the turbo for increase in exhaust flow and drop in back pressure

as we were able to log many miles over various surfaces and road imperfections

Higher flowing intercooler with increased capacity used from the factory on Mk6 Golf R models

Golf MK4 2

Kit Part Numbers:

The stock A4 exhaust system has crimped tubing that obstructs exhaust flow

the new adapter reduces turbulence and reversion

data acquisition tools

causes some speeds to not function

and other race-spec kits

Every Unitronic Exhaust System comes equipped with an individualized serial production plate to ensure authenticity