2001 BMW 3 Series - Waters coming out of over flow then radiator light comes on

3 Series 1.8 petrol Problem
The Problem
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michael hurd

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Waters coming out of over flow then radiator light comes on
Mar 18, 2017 (2 years ago)
water coming out of overflow

Car: BMW 3 Series
Variant: 1.8 petrol
Year: 2001
Category: Engine & Drivetrain
Recalls: BMW 3 Series Recalls
More: BMW 3 Series Problems
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1/4drive
Fixes: 1,862
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Mar 18, 2017 (2 years ago)
Most systems have a pressure release valve built into the cap to permit just that.
So you'll need the cap pressure release tested and a coolant pressure test done for system pressure.
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whittingehame
Fixes: 12,189
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Mar 19, 2017 (2 years ago)
Check and top up coolant level when cold .Check coolant fan cutting in .If not that , test thermostat .If still having problems carry out a pressure test which should show any external leaks and if needed , a block test which will test Cyl head / gasket .
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