Question about 1992 BMW 5 Series

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I need some info on my 520i that i just bought

Like how much oil does it take, radator cap. and coolant mixture
and just some general maint. info
its my first BMW any good websites?

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The oil it uses is a 10w40 and needs 5.75litres with filter when doing an oil change. Coolant mixture is always 50% antifreeze and 50% water, this is pretty much the rule of thumb when doing coolant change on any vehicle and has a 10.5L. This includes both the radiator and engine coolant capacity.

Brake fluid is a DOT 4, power steering fluid is either a Dexron II or CHF 7.1/11S. Differential oil grade is a SAE 90W and takes 1.7 litres.

I can supply endless info on these if you need as I used to own own before owning an e39,e36,e38,e46,e93 and now a yamaha r6!

Hope this helps!

Posted on May 28, 2009


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If the radiator, most newer cars have a plastic bottle or tank that has a "cold" and "hot" level indicated. You should be able to see the coolant level thru the tank. You should NOT need to open the radiator cap if your car has this tank. Add a 50/50 mixture of water and coolant (of a type your car requires) up to the "cold" mark and start the car. Let it run with the heater set to HOT and fan set to HIGH. Continue adding the 50/50 mixture to maintain the coolant level to the HOT level mark on the tank as needed with the engine running. Stop when there is HOT air blowing out of the heater.

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Not quite sure what your question is but if your looking for an opinion here's mine.
Even thought you didn't find the normally sign's of a blown head gasket you need to be aware that a cracked head can cause the same issues that a blown head gasket does. Also it is possible to have a problem with either of those two things and not involve the cylinders. A breach between the water jacket and the pressure side of an oil port would force the oil into the water jacket. Since the spaces traveled by the oil are relatively small the transfer will tend to be one way.

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