The first step in diagnosing an issue is to scan the engine computer (DME) for codes. You can’t update (“flash”) the computer as you don’t have the BMW-specific computer needed to do the job. You also don’t have access to the updated code. Only dealers and shops that pay BMW a ton of money annually can flash the DME.
Yup. In fact, i believe that the DME in facelift E46s has encrypted code.
Update with either autologic or better yet ista
The issue is getting the updated code.
A well equipped indie shop should be able to update the software, if you DME needs to be updated.
Since you are not familiar with process take it to either BMW or an independent shop you really trust. If the dme becomes corrupted due to messing around with its code that is a very expensive day for you.
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