Jerking at 4-5 gear at highspeed

Adrianmateos · 09-12-2021, 02:01 PM

Hello guys I’m new to this but I have a 2007 BMW 335I had no issues before mods things done to it have been brand new turbos coldair intake,inner cooler MHD stage two oil pan cover gasket I’m having issues when going and pushing throttle at high speed it doesn’t jerk When driving at normal speed only does it when I push throttle to either get on highway or to pass a car I don’t think has anything to do with the tranny because it does the gearshift pretty good and smooth anybody have any ideas would really appreciate it thanks again

Welcome to NBA Jam · 09-12-2021, 03:21 PM

Do you get any drivetrain vibration when you push the throttle at higher speed?

Adrianmateos · 09-12-2021, 03:42 PM

No it does everything normal shifts it’s just once in a while it does it when I really push the throttle down to get on the highway or to pass a vehicle in front. It will jerk for a second and if I let go of the throttle and then go back to normal

El_J7 · 03-15-2022, 07:21 PM

Have you ever resolved this?

Ethan Skinner · 03-15-2022, 07:37 PM

Sounds like its hesitating when under load. Your ignition system has to work much harder when you're hitting higher boost targets so that is usually when failing spark plugs or ignition coils start to cause issues. Have the ignition coils been replaced? spark plugs?

rodasimmons · 04-07-2022, 08:30 AM

I know this is a dated thread, but I had the same issue and found a resolution. Hopefully this will be valuable to someone in the future. My 2011 E92 (n55) would do the same when applying moderate throttle. The jerking and loss of power was alarming when it would happen. I suspected the transmission and replaced the gaskets and solenoids (messy job). No dice. Only a month ago when I replaced my leaky valve cover was the issue resolved. I guess the PCV that's built into the cover was really bad. Anyway, that was the fix for me...

Peplano · 05-09-2022, 09:21 AM

What does the issue feel like? A weird lurch forward as if there is a massive misfire? I've been chasing a similar issue for months. Gone through a valve cover, injectors, HPFP, you name it I may have done it. Recently I have gotten o2 codes for slow response on the pre-cat. Might be worth taking a look at that. I'd also try removing the tune, resorting to stock, and seeing if the issue replicates. I've been running stock tune for a few months, though not as consistent it's still a present issue for me.

09-12-2021, 02:01 PM	#1
Adrianmateos Enlisted Member 1 Rep 32 Posts Drives: Bmw 2007 335i e93 Join Date: Sep 2021 Location: Deltona iTrader: (0)	Jerking at 4-5 gear at highspeed Hello guys I’m new to this but I have a 2007 BMW 335I had no issues before mods things done to it have been brand new turbos coldair intake,inner cooler MHD stage two oil pan cover gasket I’m having issues when going and pushing throttle at high speed it doesn’t jerk When driving at normal speed only does it when I push throttle to either get on highway or to pass a car I don’t think has anything to do with the tranny because it does the gearshift pretty good and smooth anybody have any ideas would really appreciate it thanks again
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09-12-2021, 03:21 PM	#2
Welcome to NBA Jam Is it the shoes!? 3884 Rep 5,112 Posts Drives: (Sold) 2011 E92 335i ZMP 6MT Join Date: Mar 2014 Location: USA iTrader: (1)	Do you get any drivetrain vibration when you push the throttle at higher speed?
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09-12-2021, 03:42 PM	#3
Adrianmateos Enlisted Member 1 Rep 32 Posts Drives: Bmw 2007 335i e93 Join Date: Sep 2021 Location: Deltona iTrader: (0)	No it does everything normal shifts it’s just once in a while it does it when I really push the throttle down to get on the highway or to pass a vehicle in front. It will jerk for a second and if I let go of the throttle and then go back to normal
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03-15-2022, 07:21 PM	#4
El_J7 New Member 5 Rep 22 Posts Drives: E92 blue with m sport pack Join Date: Dec 2018 Location: Reading pa iTrader: (0)	Have you ever resolved this?
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03-15-2022, 07:37 PM	#5
Ethan Skinner Private 17 Rep 52 Posts Drives: 2013 E92 335i Join Date: Jan 2019 Location: Santa Rosa Beach, Florida iTrader: (0)	Sounds like its hesitating when under load. Your ignition system has to work much harder when you're hitting higher boost targets so that is usually when failing spark plugs or ignition coils start to cause issues. Have the ignition coils been replaced? spark plugs?
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04-07-2022, 08:30 AM	#6
rodasimmons New Member 2 Rep 21 Posts Drives: 2011 335i m-sport coupe Join Date: May 2017 Location: NC iTrader: (0)	I know this is a dated thread, but I had the same issue and found a resolution. Hopefully this will be valuable to someone in the future. My 2011 E92 (n55) would do the same when applying moderate throttle. The jerking and loss of power was alarming when it would happen. I suspected the transmission and replaced the gaskets and solenoids (messy job). No dice. Only a month ago when I replaced my leaky valve cover was the issue resolved. I guess the PCV that's built into the cover was really bad. Anyway, that was the fix for me...
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05-09-2022, 09:21 AM	#7
Peplano New Member 0 Rep 11 Posts Drives: BMW 335i, BMW 328Ci Join Date: Aug 2021 Location: New England iTrader: (0)	What does the issue feel like? A weird lurch forward as if there is a massive misfire? I've been chasing a similar issue for months. Gone through a valve cover, injectors, HPFP, you name it I may have done it. Recently I have gotten o2 codes for slow response on the pre-cat. Might be worth taking a look at that. I'd also try removing the tune, resorting to stock, and seeing if the issue replicates. I've been running stock tune for a few months, though not as consistent it's still a present issue for me.
	Appreciate 0 Quote