What is the solution for low-speed jerking in the BMW 5 Series?
2 Answers
It is normal for the BMW 5 Series to have slight jerking sensations. If the sensation is particularly noticeable, it is usually due to clogged fuel lines, abnormal ignition, or stubborn internal dirt and impurities. Timely maintenance and repairs should resolve the issue. Other causes of jerking sensations: 1. Upshift jerking The transmission's response speed is not fast enough, and the upshift speed cannot keep up with the throttle input. As a result, a jerking sensation occurs at the moment the transmission shifts gears. 2. Downshift jerking Due to the intervention of the energy recovery system, once the driver releases the throttle pedal or presses the brake pedal, the generator immediately starts working. This places a load on the engine, affecting the engine speed and causing it to become unsynchronized with the clutch plate speed, leading to a jerking sensation.
I've driven a BMW 5 Series for many years, and the most common cause of low-speed jerking is a transmission software bug, especially when updates aren't timely. The drivetrain can feel like it's hesitating at 10-20 mph—my car had this issue. A quick trip to the dealership to flash the latest software fixed it, simple and inexpensive, usually under 30 minutes. If the problem persists, it might be due to aged transmission fluid or a clogged filter, which requires a fluid change costing a few hundred yuan. Another culprit could be sensor issues, like dirty wheel speed sensors triggering jerking—cleaning them yourself often helps. I recommend regular maintenance, especially for BMW transmissions—get them checked every 40,000 km to prevent issues. Don’t wait for major problems to regret it; safety first.
