BMW 7 Series Forum

Re: 735i overheats when idling with a/c on

transman — Tue, 14 Oct 2008 16:56:42 GMT

did u may sure that u have all the air out of the cooling system?

Re: 735i overheats when idling with a/c on

dustrod — Tue, 07 Oct 2008 00:05:42 GMT

I would still suspect a defective water pump. Your BMW may still have the plastic pump that tends to quit anytime without warning. If its not the water pump, then the problem could be at the radiator nozzles, since they break at around 100k miles. Check these two and replace if necessary.

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dustrod - the Performance Radiator of coolness.

735i overheats when idling with a/c on

tommy grimes — Sun, 03 Aug 2008 17:37:09 GMT

90 735i bmw overheats when idline with or without a/c on has new radiator water pump fan clutch thermostat ect.