This part is listed by BMW as BMW part number 37126755022 (37-12-6-755-022) and is described as Genuine BMW Air Reservoir with Pipe for right rear self-leveling air spring on E53 X5 3.0i, 4.4i, 4.6is, and 4.8is (2000, 2001, 2002, 2003, 2004, 2005, 2006).
Supersedes BMW part # 37121096683 (37-12-1-096-683).
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
X5 Series
E53 X5 (00-06) > X5 3.0i M54
E53 X5 (00-06) > X5 4.4i M62 (99-03)
E53 X5 (00-06) > X5 4.4i N62 (04-06)
E53 X5 (00-06) > X5 4.6is M62
E53 X5 (00-06) > X5 4.8is N62