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Is the car difficult to start?
Have you got a multimeter? Check the resistance of the glow should be around 5 ohms. If they need replacing...good luck. Check if the rover diesel glow plugs are cheaper than the BMW ones. If replacing, get a decent make IE not halfords brand, Beru if you can as they are my favs.
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Did you check the pick up ring for corrosion and high spots, thought we talked about this before? https://burchmotorworks.co.uk/performance-and-maintenance/bmw-rear-abs-driveshaft-rings/
As for the glow plugs probably the glow plugs gone open circuit, might have done the control unit as well, it sometimes goes that way, I would check the resistance, anything above 8 Ohms change them, note this is not a job for the faint hearted they often snap and require specialist removal. You have to get the engine as hot as possible, soak them in wd 40or similar, remove the inlet manifold whilst engine is hot and remove all the glow plugs while the engine is still warm {DO NOT attempt on a cold engine] once renewed double check the relay function.
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lynx
Fixedwheelnut
@Nef
Abs sensor replaced on the e46. Now for the annoying bit where you wait and see if it has solved the intermittent problem.
I’ve cleared the code and a very brief drive hasn’t reactivated them. Got a longer drive home later, hopefully it’ll remain clear. Annoyingly, greasing the contact surfaces hasn’t got rid of the squeak from the same corner, bugger!
@Fixedwheelnut any idea about these?
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