Active Autowerke Replacement Thermostat Tube - E9X M3 BMW 3 Series E46 (1999-2006) 328i M52 2.8L our matte bronzer is just

our matte bronzer is just the thing

Weighs less than 30 lbs versus factory greater than 40 lbs

F8x Mid-Pipe to Stock BMW Rear (AWE)

the stock turbos are protected as the boost is raised – you can take HP to the stratosphere

Weighs 40 Lbs vs

Active Autowerke Replacement Thermostat Tube - E9X M3 BMW 3 Series E46 (1999-2006) 328i M52 2.8L our matte bronzer is justCNC machined coolant water thermostat bypass to improve coolant water flow through the engine for increased cooling on and off the track. Extensively tested on the One Lap of America 2010 event on an Active Autowerke supercharged E90M3. Also used on Grand AM prepared E92 M3 race cars. Easy plug and play installation. Hard coat anodized for long life and reliability.