BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > F20 Classifieds > Wagner Downpipe for BMW F20/F21/F30/F32 M135i 335i 435i
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      05-08-2014, 10:44 PM   #1
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Wagner Downpipe for BMW F20/F21/F30/F32 M135i 335i 435i

The Downpipe-Kit fits in to:

BMW M135i F20 / F21 till 06/2013
BMW 335i(x) F30 / F31 / F34 till 06/2013
BMW 435i(x) F32 / F33 till 06/2013

made out of high quality stainless steel 1.4301 (SS304)
100% perfect fit, replace OEM
less thermal load on the turbocharger
more power by reducing back pressure
significantly more torque
200cpi Metal Catalytic Converter
connection diameter 105mm
The Downpipe is a 1:1 Replacement (100% plug and play), no ECU engine management light errors will apear

$650

Order here:

http://www.hpashop.com/Wagner-Downpi...-F20-30-32.htm
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      05-12-2014, 03:45 AM   #2
harkes
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I would REALLY like to see a dyno with/with-out this...! Like the flex area!
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      05-14-2014, 12:50 AM   #3
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Quote:
Originally Posted by harkes View Post
I would REALLY like to see a dyno with/with-out this...! Like the flex area!
The flex section allows the DP to expand and contract during the driving cycles, a very good idea that all aftermarket DP's should have, but the added cost steered most manufacturers from this type of design.
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