When subjected to the extremely high temperatures that can occur in the engine compartment, the damper sleeves which cover the return springs of the accelerator control system can deform and prevent their returning the throttle to idle position after release...
Acceleration & cruise control
BMW 320I Acceleration problems by year
1 complaints filed with NHTSA about the BMW 320I's acceleration & cruise control. Unintended acceleration, surging, throttle problems and cruise or adaptive cruise faults.
Acceleration complaints by model year
Acceleration recalls
The involved vehicles do not conform to federal motor vehicle safety standard no. 124, "Accelerator control systems". The two accelerator return springs located on top of engine may oscillate at high engine speeds, which may cause vibration noise and lead to...
Latest 320I acceleration complaints
The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. There are other possible, less obvious causes as well, such as uncommanded exhaust gas recirculation (egr), flow. When the misfire...
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monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the p030x code. For instance cylinder 1 misfire is p0301, cylinder 2 is p0302 etc. In this case we have either multiple cylinders misfiring, or the computer simply can't determine the specific cylinder, and as such we are left with the p0300 in computer memory.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data