Easiest way to check if your trans is slipping is to press hard on the brake and hit the gas. The RPMs will go up but if the rpm gauge just shoots up and can go to redline its slipping. If it does not do this you have other problem(s). Everything from a broken motor mount to a differential mount can cause this jerking feeling. Really there are maybe 100 reasons you are experiencing this jerking and not all have anything to do with the drive train at all.
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Alot makers claim their seal transmissions never need servicing or changing fluid that is not true. The transmission specialist recommend you service your auto transmission or manual every 80,000k or 50,000miles. Get it serviced and have them adjust the bands and change the fliud at a transmission euro workshop.
my bmw transmission is slipping.?
i have a 1997 BMW 328I AND WHEN I STOP FOR A RED LIGHT THEN BEGIN AGAIN IS JERKS. IT SEEMS TO DO IT A LOT. IM CONVINCED THE TRANSMISSION IS GOING TO GO, BUT BMW'S HAVE SEALS TRANSMISSIONS, THEREFORE MAYBE THE FLUID HAS NEVER BEEN CHANGED OR MAYBE IT LEAKED. PLEASE HELP ASAP