BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - interesting conversation with a dinan dealer

ronnyek · 07-03-2008, 06:05 PM

A couple comments and questions...

Is it the bottleneck being diamter ad flow of the downpipes themself? Or is the bottle neck cats in the downpipe?

Actually now that I think about it, does the 135 HAVE cats in the downpipes?

07-03-2008, 06:05 PM	#31
ronnyek Captain 24 Rep 682 Posts Drives: 2010 Evo MR Touring Join Date: Mar 2008 Location: space iTrader: (1)	A couple comments and questions... Is it the bottleneck being diamter ad flow of the downpipes themself? Or is the bottle neck cats in the downpipe? Actually now that I think about it, does the 135 HAVE cats in the downpipes?
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