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      09-03-2010, 05:10 AM   #48
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Drives: 335i e91 LCI msport
Join Date: Jul 2007
Location: Lincolnshire

Posts: 826
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DB - I don't think codes appear. But you can log fuel pressure on your JB3, this will give a good indication of how healthy your HPFP is.

I can't remember which parameter this is on the interface - but if you go over to N54tech.com you can get the info there.
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