00:00BMW 3 Series. Engine oil leak near the valve cover?
00:04Here's what could be wrong. 1. Worn valve cover gaskets cause oil leaks.
00:082. Cracked valve covers allow oil to escape. 3. Loose bolts lead to oil seepage.
00:184. Damaged seals cause oil buildup. 5. Faulty PCV valves increase engine pressure.
00:266. Blocked ventilation causes oil leakage. 7. Hardened rubber seals lose flexibility.
00:368. Core installation causes sealing problems. 9. Oil leaks create burning smells.
00:4510. Ignoring leaks risks engine damage.