Required cartridge gun
WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
CARTRIDGE GUN 81 43 2 159 881/883
IMPORTANT:
Set speed control (1) to interval stage 3 to prevent overloading the cartridge gun.