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 - Do you need a tune with a catted downpipe ?

Fed P · 12-19-2012, 03:50 AM

Fully agree, one of the big advantages of downpipes is that the turbo can spool quicker, and you will get this advantage regardless of whether you are tuned or not.

12-19-2012, 03:50 AM	#5
Fed P Private First Class 23 Rep 111 Posts Drives: 135i Join Date: Mar 2012 Location: Russia iTrader: (0)	Fully agree, one of the big advantages of downpipes is that the turbo can spool quicker, and you will get this advantage regardless of whether you are tuned or not.
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