Car surging badly!

sy2767 · 10-10-2014, 09:07 PM

In the past 2-3 weeks I noticed my car surging badly when switching from park to reverse (first thing in the morning backing out from garage) or backing out from a parking stall and every other low speed situation. I had the DME updated back in March because I complained to the dealer about this problem, after the DME update it was fine, now it seems as though the issue has returned. I had my COBB installed all summer with no problems whatsoever and when the car started doing this I uninstalled it thinking it MIGHT be the cause, but doing so changed nothing. I have an appointment for Nov 3 to get the Vanos recall done and I guess I'm asking if this could be an issue related to that.

rhm135 · 10-10-2014, 10:04 PM

Check engine light on?

///Mposter · 10-10-2014, 10:29 PM

Could be a vacuum leak. Check the brake booster large vacuum line . Check the small lines behind the oil filter housing and check the diverter's vacuum line to the manifold.

sy2767 · 10-10-2014, 10:36 PM

I'm sure neither of those is the problem but i will certainly check it out...thanks.

Johnny Boost · 10-10-2014, 10:59 PM

Let us know what the dealership finds.

GoRomeo · 10-10-2014, 11:52 PM

Sounds more like a leaky or dirty injector. Keep us posted.

10-10-2014, 09:07 PM	#1
sy2767 Major 145 Rep 1,132 Posts Drives: 2013 x5 Join Date: May 2010 Location: manitoba iTrader: (1)	Car surging badly! In the past 2-3 weeks I noticed my car surging badly when switching from park to reverse (first thing in the morning backing out from garage) or backing out from a parking stall and every other low speed situation. I had the DME updated back in March because I complained to the dealer about this problem, after the DME update it was fine, now it seems as though the issue has returned. I had my COBB installed all summer with no problems whatsoever and when the car started doing this I uninstalled it thinking it MIGHT be the cause, but doing so changed nothing. I have an appointment for Nov 3 to get the Vanos recall done and I guess I'm asking if this could be an issue related to that.
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10-10-2014, 10:04 PM	#2
rhm135 Private First Class 16 Rep 168 Posts Drives: 2012 335is DCT Join Date: Nov 2013 Location: BMW of South Atlanta iTrader: (0)	Check engine light on? __________________ 2012 335is DCT - JB4 - MHD - Fuel-it! - DocRace
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10-10-2014, 10:29 PM	#3
///Mposter Macgyver 208 Rep 942 Posts Drives: 2007 e92 335i Join Date: Jun 2011 Location: Greensboring iTrader: (0)	Could be a vacuum leak. Check the brake booster large vacuum line . Check the small lines behind the oil filter housing and check the diverter's vacuum line to the manifold. __________________ GTX3076R , ADV, JB4, FMIC, BOV, 17"APEX, 255/40/17 SQ, 6-SPD Manual
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10-10-2014, 10:36 PM	#4
sy2767 Major 145 Rep 1,132 Posts Drives: 2013 x5 Join Date: May 2010 Location: manitoba iTrader: (1)	I'm sure neither of those is the problem but i will certainly check it out...thanks.
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10-10-2014, 10:59 PM	#5
Johnny Boost Colonel 324 Rep 2,014 Posts Drives: '21 M850i GC Join Date: May 2013 Location: TBD iTrader: (0)	Let us know what the dealership finds. __________________ WedgePerformance E40 MHD \| Performance Exhaust Mod \| BMS DP \| Vibrant 1790 \| BMS Intake \| VRSF CP \| xHP Stage 3 Michelin PSS \| M3 Control Arms LUX v4 LEDs \| Shadowline Grills \| Lip Spoiler
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10-10-2014, 11:52 PM	#6
GoRomeo Brigadier General 959 Rep 3,841 Posts Drives: 330i, 135i Join Date: Feb 2006 Location: San Diego CA iTrader: (0) Garage List 2008 BMW 135i [9.50] 2006 330i [6.75]	Sounds more like a leaky or dirty injector. Keep us posted.
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