1992 (270,000mi) BMW 525i radiator fluid leak ?
I've been driving this car around northern CA for three months and it runs great, but every 200 miles or so the radiator is totally drained. I've checked the two large hoses going ito the engine for leaks (nothing) and there is no puddling under the car.
Well, worst case is it may be leaking into the engine, like blown head gasket or something, or you may even have a heater core leak, or even a radiator leak. Get the system pressure tested, and will show you pretty much where the coolant is leaking from.






Shows you how to safely and properly change the radiator coolant in your car - Video
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Learn how to change the fluid that is in your automobile's radiator with this article.