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Faults, Fixes and DIY Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix!


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Old Tue, May-13-2014, 10:01:56 AM   #41
ac427
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Lightbulb Re: DIY: S54 Cylinder Compression Test

Even easier than above and the reason for holding the accelerator pedal down.

From a Mastertech friend;
All electronic throttle BMW's, well at least the E46 M3 will shut off the fuel supply to the injectors when starting if the throttle pedal is held down.

That makes performing the compression test much easier. Apart from getting someone to hold the gauge anyway!
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Old Thu, Dec-11-2014, 03:34:07 AM   #42
Vox Populi
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Default Re: DIY: S54 Cylinder Compression Test

bump for this thread. excellent DIY. worked out perfectly this evening. (and the compression results were good too!)
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Old Mon, Oct-16-2017, 11:57:24 PM   #43
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Default Re: DIY: S54 Cylinder Compression Test

Bump. Any chance of getting the images fixed? Specifically the one illustrating which connector to disconnect in the ECU box?
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Discussing DIY: S54 Cylinder Compression Test in the Faults, Fixes and DIY Forum - Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)