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What did you do to / for your E53 today??
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06-01-2020, 05:17 PM
srmmmm
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Join Date: Jun 2013
Location: DFW, Texas
Posts: 1,081
Just got word from the tech - cats are shot
and secondary air check valve is misbehaving. Can't justify the $2000 on those.
I'll troubleshoot the secondary air system, but time for alternative sourcing on the cats.
srmmmm
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