Some BMW 530i owners report experiencing high idle issues accompanied by jerking motions during acceleration. These symptoms may be linked to fluctuating torque readings on sports gauge screens, indicating potential problems with the engine or transmission. Additionally, faults in the fuel system, engine, or transmission can contribute to the jerking sensation while accelerating. Low fluid levels are also cited as a factor that may exacerbate this issue. To mitigate strain on the transmission and reduce jerking, some owners find that adopting smoother driving habits, such as avoiding sudden stops and aggressive acceleration, can be beneficial. Furthermore, unplugging the VANOS system might reveal high RPMs with a smooth idle, suggesting a possible malfunction within that system. Jerking motions may also occur when gradually releasing the brake pedal or during deceleration, pointing to possible engine performance issues. It is advisable for owners experiencing these problems to consult professional BMW repair services for accurate diagnosis and resolution.
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