Standard Ignition Engine Crankshaft Position Sensor PC457
Standard Ignition Engine Crankshaft Position Sensor PC457 - view 2
Standard Ignition Engine Crankshaft Position Sensor PC457 - view 3
Standard Ignition Engine Crankshaft Position Sensor PC457
Standard Ignition Engine Crankshaft Position Sensor PC457 - view 2
Standard Ignition Engine Crankshaft Position Sensor PC457 - view 3

Crankshaft Position Sensor for 1994-1995 BMW M3 - Standard Ignition PC457

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$123.99
MPN: PC457
Item Package Quantity: 1
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Standard Ignition Engine Crankshaft Position Sensor P/N:PC457
Standard Ignition Engine Crankshaft Position Sensor P/N:PC457
$123.99

Dial in precise engine timing with the Standard Ignition Engine Crankshaft Position Sensor (PC457) — the M3 sensor that reports crankshaft position and rotational speed to the engine control module so it can time ignition and fuel injection. It's a direct-fit replacement for the 1994-1995 BMW M3, and Standard specially engineers these sensors for BMW vehicles.

  • Accurate timing: Custom magnetic-circuit programming and performance testing calibrate the relationship between the target wheel and the sensor's output signal.
  • Superior operation: An integrated analog-to-digital converter plus adaptive switch points process the signal quickly, helping the ECM adjust fuel and timing.
  • Extensively tested: End-of-line checks for timing, pulse width, and signal amplitude, together with in-lab vibration and extreme-temperature testing, support reliable performance.
  • Vehicle performance: Designed to support fuel economy, emissions, and performance through accurate, fast, and durable signal delivery.

Signs the original sensor may need replacing include a no-start or intermittent stalling, a check-engine light, or erratic engine behavior — if a failed crankshaft position sensor is the cause, this replaces it. Diagnose the fault before installing.

Interchange: 12141401890 · CSS885 · CPSA644 · CSS9084

This part cross-references / interchanges with the following part numbers:

12141401890, CSS885, CPSA644, CSS9084, PC457

Frequently Asked Questions

What does the PC457 crankshaft position sensor do?

It reports crankshaft position and rotational speed to the engine control module, which uses that signal to time ignition and fuel injection.

Does this M3 sensor fit my vehicle?

It's a direct-fit replacement for the 1994-1995 BMW M3. Confirm the exact fit for your vehicle in the Buyer's Guide tab.

What are signs my crankshaft position sensor may be failing?

Common signs include a no-start, intermittent stalling, erratic engine behavior, or a check-engine light. Diagnose the cause before replacing.

Is this sensor engineered specifically for BMW?

Yes. Standard Ignition specially engineers these crankshaft position sensors for BMW vehicles, with custom magnetic-circuit programming and calibration.

What testing does this sensor go through?

End-of-line testing for timing, pulse width, and signal amplitude, plus in-lab vibration and extreme-temperature testing, support reliable performance.

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