Transfer Case Servo Motor Repair Kit – BMW E60 E90 ATC300 | OEM 27107546671
The ATC300 transfer case servo motor is the actuator that controls AWD torque split on BMW E60 and E90 xDrive models. When it fails, you get xDrive fault codes, warning lights, and loss of 4WD function. This kit rebuilds the original servo — replacing the internal gears and wear parts.
Fits OEM #27107546671.
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
- Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included
Part Number / PN
27107546671, 27102449712
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 27107546671 is the primary fitment check.
FAQ
How do I confirm fitment for this Transfer Case Servo Motor Repair Kit?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 27107546671. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Transfer Case Servo Motor Repair Kit?
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 Transfer Case Servo Motor Repair Kit?
The confirmed kit contents are: Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included.
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.
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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