Motorsport Ring & Pinion Set, 3.91 - E46 M3, E9X M3
Motorsport Ring & Pinion Set, 3.91 - E46 M3, E9X M3 ***MOTORSPORT***
This part is listed by BMW as BMW part number 33128440755 (33-12-8-440-755) and is described as 3.91 Ring & Pinion Set for rear differential.
This is a part that we buy directly from BMW Motorsport. It was originally designed by Motorsport engineers for competition use in a factory BMW racing program. As a part designed for competition use, it does not have a warranty. BMW Motorsport parts may sometimes be in short supply and orders are released at the discretion of BMW Motorsport. If a part is not in stock, contact us for the latest estimate on delivery time.
Replaces superseded BMW part # 33128440755 (33-12-8-440-755).
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
E46 (99-05) > M3
E90 / E91 / E92 / E93 (06-13) > M3
E85 / E86 Z4 (03-08) > Z4 M