1995 BMW 525i White Smoke

Suggested Repair

If white smoke continues after startup, inspect for an internal coolant leak such as a blown head gasket or cracked cylinder head. A coolant smell inside the cabin indicates a leaking heater core, which should be checked and replaced if leaking.

Conversation Summary

The owner of a 1995 BMW 525i reports continuous white smoke without overheating and an occasional coolant smell inside the car with no visible wet spot. An expert explained that brief white smoke on a cold start can be normal, but ongoing white smoke indicates an internal coolant leak such as a cracked head or blown head gasket. The interior coolant smell was attributed to a leaking heater core.