BMW X5 E70 N55 Engine Valve Cover Gasket Leak
BMW
X5
2010
N55 3.0 Turbo
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
The valve cover gasket on N55-engined E70 X5 35i leaks oil onto the intake manifold and surrounding components. The rubber gasket hardens with heat cycling. An oily residue on the back of the engine and burning oil smell on start confirm the fault. Gasket replacement costs £200-400.
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 X5 2010 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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