Updated oil filter housing (oil bowl) repair kit for BMW M47 diesel engine. Aluminum body, stainless steel internal components and spring.
OEM references: 11422246992, 11427786867
Kit includes:
- Check valve (aluminum body, stainless steel internals)
- Oil filter housing gasket
- Heat exchanger gasket
- Dipstick O-ring seal
Problem: The OEM check valve wears over time, causing delayed oil pressure buildup to the upper engine. This leads to oil starvation and accelerated wear of the piston assembly. Symptoms include cold start knock and delayed oil pressure warning light extinguishing.
Compatible vehicles — BMW M47 engine:
- 5 Series E39
- 3 Series E46
Note: Replace the entire check valve — reusing the OEM spring is ineffective as it corrodes and fails over time.
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