Jerky gearshifts when cold

Chr.jensen · 05-03-2023, 03:14 AM

Hi, I have a 2019 x3 m40i with 63.000km on it, I bought it used so i've only had it for around 2 months. The gearbox feels jerky and dont shift very smooth when its cold, is that a known issue and is there any fixes?
The driving mode doesn't matter, it's the same no matter which one.
When its up to temp, it drives just fine and no issues with the shifts.

fdpxfunix · 05-03-2023, 11:12 AM

Different engine here (30d with 33k miles on it) but I believe the same ZF 8 speed as you.

My gearbox is not that smooth when cold and hangs on to 2nd or 3rd gear when accelerating gently. It's not jerky (as such), but you definitely feel it's cold. Give it a few miles to warm up and it's fine. Put the car in Sports+ and Sport gearbox and it is a bit jerky, but not in a bad way

I have a friend that has owned X5, 5 series, 7 series all with the B57 engine and ZF 8 speed and he swears by the gearbox.

I'm sure other M40i owners will report similar, but obviously get it checked out by BMW or specialist if you're worried.

J.

g11hoonigan · 05-03-2023, 08:50 PM

Has the oil been changed recently? If not, it's worth a shot since it's almost due anyways - according to my book

bouchy · 05-04-2023, 05:01 AM

60 kkm is the right time to change the oil, as these forums agree (even though it's branded as "for-life"). Follow the instructions, buy appropriate oil.

DonSylver · 05-04-2023, 06:44 AM

As a precaution, I feather the throttle until the car is warm. I don't use sport/sport+ modes until the oil is warm. It does feel heavy not jerky on my foot until it is warm. I just attribute it to cold oil viscosity. Get it checked by a dealer, they should allow it cooldown overnight and test it in the morning. I have got m40i.

bouchy · 05-05-2023, 01:44 AM

One should "feather" even for the sake of the engine...especially with diesel/higher power output.

Chr.jensen · 05-10-2023, 03:26 AM

Thank you for the replies.

I dont think the oil has ever been changed in the gearbox, only the engine. So I think it might help, im even thinking about getting it "flushed" and refilled.

The "emergency call not available" message pop'd up this morning too, so its all going great so far.

05-03-2023, 03:14 AM	#1
Chr.jensen New Member 0 Rep 8 Posts Drives: 2019 BMW X3 M40i Join Date: Jun 2014 Location: Spentrup iTrader: (0)	Jerky gearshifts when cold Hi, I have a 2019 x3 m40i with 63.000km on it, I bought it used so i've only had it for around 2 months. The gearbox feels jerky and dont shift very smooth when its cold, is that a known issue and is there any fixes? The driving mode doesn't matter, it's the same no matter which one. When its up to temp, it drives just fine and no issues with the shifts.
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05-03-2023, 11:12 AM	#2
fdpxfunix Second Lieutenant 188 Rep 299 Posts Drives: X3 xDrive 30d M Sport Join Date: Jul 2011 Location: UK - West Sussex iTrader: (0)	Different engine here (30d with 33k miles on it) but I believe the same ZF 8 speed as you. My gearbox is not that smooth when cold and hangs on to 2nd or 3rd gear when accelerating gently. It's not jerky (as such), but you definitely feel it's cold. Give it a few miles to warm up and it's fine. Put the car in Sports+ and Sport gearbox and it is a bit jerky, but not in a bad way I have a friend that has owned X5, 5 series, 7 series all with the B57 engine and ZF 8 speed and he swears by the gearbox. I'm sure other M40i owners will report similar, but obviously get it checked out by BMW or specialist if you're worried. J. __________________ 2018 - BMW X3 30d xDrive M Sport 2010 - BMW X1 18d sDrive SE 2011 - Audi A1 S Line TDi 2007 - Vauxhall Corsa CDTi 2004 - Subaru Impreza WRX Wagon
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05-03-2023, 08:50 PM	#3
g11hoonigan Captain 826 Rep 874 Posts Drives: BMW 740i Join Date: Sep 2020 Location: USA iTrader: (0)	Has the oil been changed recently? If not, it's worth a shot since it's almost due anyways - according to my book
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05-04-2023, 05:01 AM	#4
bouchy Second Lieutenant 83 Rep 261 Posts Drives: X3 (G01) Join Date: Aug 2022 Location: Czech Republic iTrader: (0)	60 kkm is the right time to change the oil, as these forums agree (even though it's branded as "for-life"). Follow the instructions, buy appropriate oil.
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05-04-2023, 06:44 AM	#5
DonSylver Snr Field Engineer 👮🏾*♂️ 215 Rep 257 Posts Drives: 2020 G02 X4 M40i, Alpine White Join Date: Feb 2022 Location: United Kingdom iTrader: (0)	As a precaution, I feather the throttle until the car is warm. I don't use sport/sport+ modes until the oil is warm. It does feel heavy not jerky on my foot until it is warm. I just attribute it to cold oil viscosity. Get it checked by a dealer, they should allow it cooldown overnight and test it in the morning. I have got m40i. __________________ Current - 2020 G02 X4 M40i, B58 engine, Alpine White. Current - 2016 Toyota Rav4 D-4D, with BMW 2WW Engine, Blue crush metallic.
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05-05-2023, 01:44 AM	#6
bouchy Second Lieutenant 83 Rep 261 Posts Drives: X3 (G01) Join Date: Aug 2022 Location: Czech Republic iTrader: (0)	One should "feather" even for the sake of the engine...especially with diesel/higher power output.
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05-10-2023, 03:26 AM	#7
Chr.jensen New Member 0 Rep 8 Posts Drives: 2019 BMW X3 M40i Join Date: Jun 2014 Location: Spentrup iTrader: (0)	Thank you for the replies. I dont think the oil has ever been changed in the gearbox, only the engine. So I think it might help, im even thinking about getting it "flushed" and refilled. The "emergency call not available" message pop'd up this morning too, so its all going great so far.
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