335D EGR bypass thoughts - BMW 3-Series (E90 E92) Forum

new 335d m sport owner · 06-09-2012, 02:28 PM

Lots of topics on the EGR disconnect and i recently took the opportunity of disconnecting and cleaning mine as i had renewed the intake manifold. The car has no obvious detremental effects (seems smoother) and no fault lights (three weeks since vac hose disconnected from the EGR).

I noticed you can buy a fabricated EGR bypass which i think would be good as it gets rid of the airflow restrictions, so my question to the experts do you think its worthwhile/any gains ?

VRN320D · 06-11-2012, 06:26 AM

hey there, im not an expert but i disconected mine and did the same as you cleaned it up etc, and found once done i was getting even higher mpg than previous (which was high 40's low 50's), its worth keeping it with the original depending on the age of your car...........Speaking of that, im looking to 'upgrade to the 335D and need convincing its the right move, currently sporting e93 320d msport.

NJ 1161 · 06-11-2012, 02:42 PM

Thread running not so long ago with uk member who's done egr by pass. Can't remember if main uk site or technical but not long ago!

NJ 1161 · 06-11-2012, 03:23 PM

http://www.e90post.com/forums/showthread.php?t=675584

NotNormal · 06-11-2012, 05:19 PM

NJ, just updated that original thread

06-09-2012, 02:28 PM	#1
new 335d m sport owner Enlisted Member Drives: 335d m sport Join Date: Apr 2009 Location: Edinburgh Posts: 32 iTrader: (1)	335D EGR bypass thoughts Lots of topics on the EGR disconnect and i recently took the opportunity of disconnecting and cleaning mine as i had renewed the intake manifold. The car has no obvious detremental effects (seems smoother) and no fault lights (three weeks since vac hose disconnected from the EGR). I noticed you can buy a fabricated EGR bypass which i think would be good as it gets rid of the airflow restrictions, so my question to the experts do you think its worthwhile/any gains ? Last edited by new 335d m sport owner; 06-09-2012 at 02:36 PM.
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06-11-2012, 02:42 PM	#3
NJ 1161 Captain Drives: 335D M3 Join Date: Nov 2011 Location: UK Posts: 926 iTrader: (0)	Thread running not so long ago with uk member who's done egr by pass. Can't remember if main uk site or technical but not long ago! __________________

06-11-2012, 03:23 PM	#4
NJ 1161 Captain Drives: 335D M3 Join Date: Nov 2011 Location: UK Posts: 926 iTrader: (0)	http://www.e90post.com/forums/showthread.php?t=675584 __________________

06-11-2012, 05:19 PM	#5
NotNormal Lieutenant Drives: Audi A6 Avant 3.0TDi Quattro Join Date: Sep 2009 Location: Lincolnshire Posts: 560 iTrader: (2)	NJ, just updated that original thread __________________ Always a pallbearer never a corpse....

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06-11-2012, 06:26 AM	#2
VRN320D New Member Drives: E92 320D Msport Join Date: Jun 2012 Location: Scotland Posts: 7 iTrader: (0)	hey there, im not an expert but i disconected mine and did the same as you cleaned it up etc, and found once done i was getting even higher mpg than previous (which was high 40's low 50's), its worth keeping it with the original depending on the age of your car...........Speaking of that, im looking to 'upgrade to the 335D and need convincing its the right move, currently sporting e93 320d msport.