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Old 02-10-2013, 10:02 PM
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BMWFatherFigure BMWFatherFigure is offline
Old School
Location: Perth, Western Australia
 
Join Date: Aug 2012
Posts: 3,722
Mein Auto: E23;E32;E34;E38;R50;R55
I haven't heard of an O2 sensor test. Onlt thing I can think of is test resistance of all sensors hot and cold and compare results. I guess one or more will be bad. Take results from the 'good' side as correct. Maybe compare with a good known engine?
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Current:
E23 735i; E32 735iL; E34 535i; 2 X E38 735iL (Oxford Green and Alpine White); R50 Cooper; R55 Cooper Clubman. E38 Parts Car
Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
I've just changed my wiper blades and now my reverse lights don't work. Should I change my fuel pump relay?
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