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      06-30-2011, 12:49 AM   #2
Singletrack
4th down; 4th quarter? Renegade.
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Drives: 09 SSII E92 M3; 12 AW X5d
Join Date: Aug 2008
Location: Pittsburgh, PA


Posts: 3,818
iTrader: (3)

Depends what codes are in the ecu. Catless will get you Catless inefficiency code. If you have others, which are also exhaust related and summarized as "increased emissions" in Idrive, then the shop should investigate those independently.