This part is listed by BMW as BMW part number 32102454428 (32-10-2-454-428) and is described as Genuine BMW Steering Rack Boot for E60/E61 5-series, E63/E64 6-series, and E83 X3 models.
Supersedes obsolete BMW part number 32106765782 (32-10-6-765-782).
This is a Genuine BMW steering boot with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
BMW Fitments:
5 Series
E60 / E61 (04-10) > 525i M54 (2004-2005)
E60 / E61 (04-10) > 525i N52 (2006-2007)
E60 / E61 (04-10) > 525xi N52 (2006-2007)
E60 / E61 (04-10) > 528i
E60 / E61 (04-10) > 528xi
E60 / E61 (04-10) > 530i M54 (2004-2005)
E60 / E61 (04-10) > 530i N52 (2006-2007)
E60 / E61 (04-10) > 530xi N52 (2006-2007)
E60 / E61 (04-10) > 535i
E60 / E61 (04-10) > 535xi
E60 / E61 (04-10) > 545i
E60 / E61 (04-10) > 550i
E60 / E61 (04-10) > M5
6 Series
E63 / E64 (04-10) > 645Ci
E63 / E64 (04-10) > 650i
E63 / E64 (04-10) > M6
X3 Series
E83 X3 (2004-2010) > X3 2.5i M54 (2004-2005)
E83 X3 (2004-2010) > X3 3.0i M54 (2004-2006)
E83 X3 (2004-2010) > X3 3.0si N52 (2007-2010)
