1983 BMW 528e AutomaticFACTORY OEM SERVICE PROCEDURE

Throttle Position Sensor

The Throttle Position Sensor is located on the throttle linkage at the intake butterfly valve where it detects position of the throttle valve. This information is converted into an electrical signal and sent to the MCU. The MCU interprets the signal as either full throttle, idle or normal operating condition and makes adjustments accordingly.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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