BMW 3-Series (E90 E92) Forum - View Single Post - Downpipe has warped flange on the turbo side

BTM · 11-21-2010, 02:54 PM

OK - here's what's happening. Because the flange is warped, the opening is no longer circular - it's an oval. I measured the stock pipe vs. the new one and at it's widest the new on is visibly larger, about 1/16". So that's the end of these I guess.

11-21-2010, 02:54 PM	#5
BTM Banned 483 Rep 10,309 Posts Drives: A///MERICAN!!! Join Date: Mar 2010 Location: A///MERICA!!! iTrader: (11) Garage List 2007 BMW Z4 M Coupe [7.20]	OK - here's what's happening. Because the flange is warped, the opening is no longer circular - it's an oval. I measured the stock pipe vs. the new one and at it's widest the new on is visibly larger, about 1/16". So that's the end of these I guess.
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