[apG20]

9/10 when I do a red light pull or full throttle under 20 the car jerks on the downshift. I’ve been driving my car fairly hard the past few weeks and I’ve been using M/S a lot. Whenever I shift move the shifter over to S and full throttle the car jerks when shifting from 1st to 2nd. If I’m in 2nd and full throttle, the car jerks on the downshift. Anyone know if I screwed up my transmission or have some sort of drivetrain problem.

[chrish_22]

Originally Posted by apG20

9/10 when I do a red light pull or full throttle under 20 the car jerks on the downshift. I’ve been driving my car fairly hard the past few weeks and I’ve been using M/S a lot. Whenever I shift move the shifter over to S and full throttle the car jerks when shifting from 1st to 2nd. If I’m in 2nd and full throttle, the car jerks on the downshift. Anyone know if I screwed up my transmission or have some sort of drivetrain problem.

Sounds fairly normal to me. You mentioned driving aggressively for a bit and I believe the transmission can "adapt" to your driving habits. This is likely the cause and the "jerk" from downshifting also sounds normal because it does utilize engine braking to slow down.


I may be wrong, so feel free to correct me!

[apG20]

Originally Posted by chrish_22

Sounds fairly normal to me. You mentioned driving aggressively for a bit and I believe the transmission can "adapt" to your driving habits. This is likely the cause and the "jerk" from downshifting also sounds normal because it does utilize engine braking to slow down.


I may be wrong, so feel free to correct me!

Can confirm now that it’s 100% something with the transmission at lower gears. When I got the car I realized quickly how the transmission would jerk alot due to it being a 8 speed. This is a lot audible jerk and you can feel it in the rear of the car (my cars rwd.) i hope it’s just the transmission adapting, but idk if that’s the case because I’ve always driven the car hard and I’ve had it for 8ish months. Wouldn’t be surprised if something’s wrong, classic BMW.

[chrish_22]

Originally Posted by apG20

Can confirm now that it’s 100% something with the transmission at lower gears. When I got the car I realized quickly how the transmission would jerk alot due to it being a 8 speed. This is a lot audible jerk and you can feel it in the rear of the car (my cars rwd.) i hope it’s just the transmission adapting, but idk if that’s the case because I’ve always driven the car hard and I’ve had it for 8ish months. Wouldn’t be surprised if something’s wrong, classic BMW.

Hmm...yeah I would just take it in to get it checked out just in case!