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      02-27-2020, 11:46 AM   #8
S.H
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Drives: e93 325i-n53, f04 750i/ah7-n63
Join Date: May 2015
Location: Oslo

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It could be. According to bimmerprofs (and BMW) desulphation happens when you drive 110km/h for 25 minutes with more than 50% fuel (!). So if you never drive on autobahn, it will get glogged: https://bimmerprofs.com/30ea-nitric-...r-sulphurized/

Since the NOX converter anyway will go bad with mileage, I believe the cheapest solution is an emulator. Easy replacement.
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