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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > EGR bypass pipe on a 335d?



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      01-08-2012, 03:33 PM   #1
NJ 1161
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EGR bypass pipe on a 335d?

Saw this item below posted about but ref a 320d and wondered about the 335d??

http://www.ebay.co.uk/itm/1507294289...84.m1423.l2649

I know alot of other tubo diesels fit turbo bypass pipes to eliminate the EGR issues. Now i know these issues exist on the 335d and we are always looking for more power!

Is this a mod for the 335d or a no no. Will this pipe fit?


I mailed the seller and he didn't know if it would fit on a e92 335d.

Any thoughts??
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      01-08-2012, 08:42 PM   #2
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My guess is, since it was designed for the 2 liter diesel it won't work on the 3.0 liter diesel. Would be nice though and it doesn't look like it would be difficult for a fabricator to make. One would think there has got to be a shop in Europe that offers this for the 335d.
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      01-09-2012, 09:46 AM   #3
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Got curious and went looking... Here's a couple of interesting threads on the matter. 2nd link is referenced in the first thread. Also not discussed is, when by-passing or blocking the vacuum hose, one would need to do some coding so the ecu doesn't throw a fault code.

http://www.xoutpost.com/bmw-sav-foru...ass-valve.html


http://www.xoutpost.com/bmw-sav-foru...-when-hot.html

Last edited by cssnms; 01-09-2012 at 09:53 AM.
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      01-09-2012, 10:44 AM   #4
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Just looked at the eBay listing. Seller talks about CO2. My understanding is the EGR is to reduce peak combutions temperatures which will reduce NOx (not CO2). A Diesel engine is very good at generating NOx, which is why we need the DEF system.
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      01-09-2012, 02:24 PM   #5
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Has anyone done this EGR block yet?
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      01-09-2012, 02:41 PM   #6
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Quote:
Originally Posted by WEEZAR View Post
Has anyone done this EGR block yet?
As far as I know only some in Europe have tried. Without some tuning/coding it will trigger a check engine light.
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