BMW Piston Ring Set (Standard) | 1968-2021 6420300024 964-341-017-06 This throttle body is unique

This throttle body is unique and not interchangeable with other models:

or carbon fiber

Significant Weight Reduction: Saves 12 lbs from the rear of the vehicle

making it an essential upgrade for track cars

BMW Piston Ring Set (Standard) | 1968-2021 6420300024 964-341-017-06 This throttle body is uniquePiston Ring Set (Standard) for 528e (1983 1986), 535i (1986 1987), 535is (1988), 2002 (1968 1976), Z4 (2004 2010), 325 (1986), 335d (2009), 128i (2009), 528i xDrive (2010), M6 (2010 2014), X1 (2016 2021), X2 (2018 2021), 328i xDrive (2010), 328i (2011), X3 (2014), 760Li (2014), 550i xDrive (2014), 550i GT xDrive (2014), i3 (2015 2016), 328i GT xDrive (2016)