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SLO-BOB SLO-BOB is offline
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Join Date: Aug 2004
Location: Wisconsin
Posts: 4,362
Google search is your friend, but as a BMWCCA member I've heard nothing horrible other than the usual BMW maladies such as water pump issues, etc. Of course there is the biggy as outlined in this letter -

As communicated to you in December 2002, BMW was in the process of conducting an investigation concerning cases of damage to the connecting rod bearings leading to engine failure on S54 engines in E46 M3 and M roadster/coupe cars.

We have completed our investigation and identified that E46 M3 cars with S54 engines produced from October 2001 - February 2002 require engine modifications to be performed as part of a service action. This action will consist of replacing the engine oil pump and connecting rod bearings. At the same time the engine control module will be reprogrammed to improve cold start characteristics, etc.

Service Information B11 02 03 has been issued containing all information required to perform this action. This action is not necessary for M roadster/coupe cars with S54 engines, or E46 M3 vehicles which had their engine replaced.

Notification letters to all customers will be mailed shortly.

To maintain customer confidence the 6-year or 100,000 miles extended engine warranty will continue for all M3 coupe/convertible and M roadster/coupe with S54 engines including entire MY 2003.

We have prepared a list of Questions and Answers, which should address most inquiries our customer may have. Please provide and discuss this information with your staff.


Thank you for your cooperation.

BMW of North America, LLC

BMW Service Action on M3 S54 Engines March 2003
March 28, 2003


I will say they go like stink on the track. Much faster than your E36.
Old 12-29-2008, 08:13 PM
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