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      11-21-2012, 08:54 PM   #20
Drives: 2006 330xi
Join Date: Feb 2012
Location: United States

Posts: 425
iTrader: (2)

You probably ruined your IBS by installing a new battery ( I assume that is why you removed your battery.) It is super fragile and happened to me. There were no error codes but my car wouldn't start with the IBS hooked up after I put in a new battery. An indy diagnosed my problem as a faulty IBS and had to put a new one in and problem solved. If I remember correctly the IBS also has to be coded to the car. The Bentley manual mentions that the IBS is very fragile.
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