Which Downpipe is Bank 1?

Guess · 09-30-2009, 02:15 PM

I am replacing a 02 Sensor on Bank 1, which downpipe is it? the downpipe that is attached to the turbo forward of the engine, or to the rear of the engine?

Appreciate the help!!

ToadHollow · 09-30-2009, 02:58 PM

PM AR Design ...... or maybe you should go ahead & replace both just in case?

Mr. 5 · 09-30-2009, 03:03 PM

Bank 1 is closest to the bumper.

joec500 · 09-30-2009, 03:47 PM

bank 1 downpipe is the driver side DP.

ooops...yah what Mr 5 said

09-30-2009, 02:15 PM	#1
Guess BlackBerry King 41 Rep 184 Posts Drives: 2009 BMW 335i Join Date: Sep 2005 Location: Kitchener, ON, Canada iTrader: (0) Garage List 2009 335I [0.00] 2006 325I GONE (OLD ... [10.00]	Which Downpipe is Bank 1? I am replacing a 02 Sensor on Bank 1, which downpipe is it? the downpipe that is attached to the turbo forward of the engine, or to the rear of the engine? Appreciate the help!! __________________ 2009 BMW 335i /6 SPD Fully Loaded Saphire Black on Black Dakota Leather
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09-30-2009, 02:58 PM	#2
ToadHollow Once upon a time ...... 276 Rep 5,048 Posts Drives: 2008 JB E92 - SOLD 5/2010 Join Date: Sep 2008 Location: Asti, Italy & Austin, Texas iTrader: (16) Garage List 2008 E92 335i [8.00]	PM AR Design ...... or maybe you should go ahead & replace both just in case? __________________
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09-30-2009, 03:03 PM	#3
Mr. 5 Modder Raider 755 Rep 8,633 Posts Drives: M3 Join Date: Apr 2007 Location: Surf City, HB iTrader: (31) Garage List 2007 e90 335i [8.00]	Bank 1 is closest to the bumper. __________________ e36 M3 Coupe, e36 325i Sedan e90 335i--SOLD Best 60-130-------------9.15 Seconds------------------WWW.MR5RACING.COM
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09-30-2009, 03:47 PM	#4
joec500 Brigadier General 125 Rep 3,004 Posts Drives: it has 4 wheels Join Date: Jul 2008 Location: San Francisco iTrader: (10)	bank 1 downpipe is the driver side DP. ooops...yah what Mr 5 said
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