🚗 Classic Fault — BMW (1982–1994)
E30 318i M10 oil leak from rocker cover gasket
💰 Estimated Repair Cost
$10 – $35 GBP
Parts and labour estimate
🔧 Tools Required
Torque wrench
📋 Overview
The early M10-engined 318i suffers oil leaks from the rocker cover cork gasket.
🩺 Symptoms
- Oil burning smell
- blue smoke from engine bay
- oil on exhaust manifold
- oil puddle under front of engine
🔍 Possible Causes
- Hardened cork gasket
- loose rocker cover bolts
- cracked rocker cover
🛠️ Diagnosis Steps
Clean engine and identify seeping — rocker cover perimeter is most common
✅ Most Confirmed Fix
Rocker cover gasket replacement
92% of users confirm this fix worked (38 reports)
🩺 Related Symptoms
🔗 Other BMW Faults
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