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      02-05-2010, 11:32 AM   #6

Drives: E92 320D M-sport
Join Date: Apr 2008
Location: belgium

iTrader: (0)

not much you can do on these cars yourselves. My suggestions:
- check airfilter, airfilter box, and make sure no paper/plastic is stuck in the piping before the filter
- if it's using oil check for excessive blow by. Pull the CCV hose of the front of the engine, plug it with a cork or something so engine doesn't get unfiltered air, and feel if there is an obvious flow of gasses coming from the engine

Next step would be getting the BT diagnostic cable and see for yourself what codes you have, and what the DPF is doing. My BT cable came in at $300 after duties and tax. Forget cheaper OBD readers, BMW doesn't broadcast most or all faultcodes on the standard OBD pins