Seat Bolster Servo Gear – BMW | OEM 52107068045
The plastic drive gear inside the BMW seat bolster (popliteal support) servo motor is the most common failure point. When it strips, the seat bolster stops adjusting and the motor runs but moves nothing.
Fits OEM #52107068045.
When to Inspect This Part
- clicking, grinding, or slipping in the mechanism
- intermittent movement
- excessive play
- the mechanism does not complete its travel
What's Included
- 1 × Seat Bolster Servo Gear
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- BMW 5 Series E60 _ (12/2001 - 12/2009)
- BMW 5 Series E60 LCI _ (10/2005 - 12/2009)
- BMW 5 Series E61 _ (10/2002 - 02/2007)
- BMW 5 Series E61 LCI _ (11/2005 - 05/2010)
- BMW 5 Series F07 GT _ (09/2008 - 06/2013)
- BMW 5 Series F10 _ (01/2009 - 03/2015)
- BMW 5 Series F11 _ (01/2009 - 06/2013)
- BMW 7 Series E65 _ (02/2000 - 07/2008)
- BMW 7 Series E66 _ (06/2000 - 07/2008)
- BMW 7 Series E67 _ (10/2002 - 06/2008)
- BMW 7 Series F01 _ (06/2007 - 06/2012)
- BMW 7 Series F02 _ (07/2007 - 06/2012)
- BMW 7 Series F03 _ (04/2008 - 05/2012)
- BMW 7 Series F04 Hyb _ (10/2008 - 06/2012)
- BMW X5 E70 _ (02/2006 - 06/2013)
- BMW X5 E70 LCI _ (04/2009 - 06/2013)
- BMW X6 E71 _ (01/2007 - 06/2014)
- BMW X6 E72 Hyb _ (10/2008 - 10/2011)
Part Number / PN
52107068045, 52100309476, 52107120189, 658515673112
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 52107068045 is the primary fitment check.
FAQ
How do I confirm fitment for this Seat Bolster Servo Gear?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 52107068045. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Seat Bolster Servo Gear?
Confirmed symptoms include clicking, grinding, or slipping in the mechanism, intermittent movement, excessive play, the mechanism does not complete its travel. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Seat Bolster Servo Gear?
The confirmed kit contents are: 1 × Seat Bolster Servo Gear.
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
Read All
Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings