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Old 06-10-2021, 06:14 PM
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andrewwynn andrewwynn is offline
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Join Date: Jun 2015
Location: Racine, WI
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andrewwynn will become famous soon enough
Jet fuel purchase...

If your X5 sounds like a jet for 90-120 seconds on cold start it's the secondary air pump bearings failing.

I saw a YouTube video how to replace the bearings since the part is unholy expensive.

I replaced my wife's with SAP from a 7 series which was gifted to me. Needed a couple mods to get it to fit but if you can get a used one from 5/7 series cheap I wrote on xo how to tweak it to Fit.

Wife's lasted months before it finally failed. You could unplug until you get the part but unsure other than more polluting, will that cause damage to cats.
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E53 / M54 2001 3.0i gas LHD (pair of them: his & her)
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