BMW E46 330i M54 Rear Main Seal Oil Leak Gearbox
BMW
3 Series
2001
M54 3.0
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
Rear main crankshaft seal leak on E46 M54 contaminates the clutch causing slip. Gearbox removal required for seal replacement. Always replace clutch simultaneously. Total cost: £500-900.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this BMW 3 Series 2001 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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