Thread: E46 M3 E46 M3 CSL Headers
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Old 01-30-2013, 12:53 PM   #20
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Join Date: Nov 2011
Location: Topeka, KS
Posts: 39
My Ride: 2002 M3
Originally Posted by karl hungus View Post
Is there a flattened portion of one of the header tubes? Is that normal?
Nothing to add other than the flattened portion is factory on the RHD cars, like in the UK.

The LHD cars, like in Germany, don't have the flattened portion. It's to clear the steering shaft.
2002 BMW M3 - Stock
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