Transfer case clutch (ATC400)
€381,10 (Net: €381,10)
2 in stock
Description
In active transfer cases, clutches ensure the smooth operation of the 4×4 drive. These clutches are made up of lamella stacks, shaft coupling levers, and needle roller bearings.
Why is my BMW X3 jerking during acceleration or low-speed turns?
This is a classic symptom of a worn transfer case clutch. In the ATC400 unit, when the lamella stacks or needle roller bearings wear down, the 4×4 engagement becomes uneven, causing noticeable jerking, shuddering, or hesitation during torque distribution.
What exactly is included in this ATC400 clutch assembly?
This replacement kit includes the critical internal components for the active transfer case: the lamella stacks (friction and steel plates), shaft coupling levers, and the necessary needle roller bearings to ensure smooth mechanical operation.
Will this clutch fit my BMW X5 or only the X3?
The ATC400 transfer case was specifically used in the BMW X3 (E83 model, produced between 2003–2010). If you have an X5, you likely have an ATC500 or ATC450, which requires a different clutch kit. Always check your transfer case ID plate before purchasing.
Can I repair my transfer case with this kit instead of buying a whole new unit?
Yes! Replacing the internal clutch assembly is a much more cost-effective solution than replacing the entire transfer case. If your actuator motor is still functional and the outer housing is undamaged, this kit will restore full 4×4 functionality.
How do I know if the needle roller bearings are failing?
Bearing failure usually presents as a grinding, whining, or humming noise coming from the center of the vehicle. If you hear these sounds accompanied by a ‘4×4’ warning light on the dash, the internal clutch and bearings likely need immediate attention.
Additional information
| Weight | 4,613 kg |
|---|---|
| Dimensions | 185 × 110 × 185 mm |
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