This is an OEM part in a Rein box
**Isolates the coil spring in the spring seat to reduce noise, should be replaced when installing new struts or coil springs, 2 per car**
This upper spring seat isolates the coil spring and helps seat it. Over time this shim can wear down causing noise in the front suspension. It is critical to replace this pieces when installing new coil springs or replacing your BMW's front struts.
Fits These Cars:
BMW Coil Spring Shim Front Upper - OEM Rein 31331134036
- SKU #:
- Coil Spring Shim
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