What role does the Camshaft Position Sensor play in the operation of the Engine Control Module (ECM) on BMW M3?

The Camshaft Position (CMP) sensor is vital for the Engine Control Module (ECM) to operate fuel injection, ignition timing, and knock control. Mounted on the cylinder head, it uses a camshaft marker to generate an electrical pulse, helping the ECM identify when cylinder No. 1 is at Top Dead Center (TDC). This information is used to create an ignition spark and activate the fuel injector. If the CMP sensor fails, ignition and fuel injection cease. Testing involves checking resistance between terminals with a digital ohmmeter. Removal and installation vary by engine type, but typically involve disconnecting the sensor lead, removing necessary components, and installing the new sensor with correct torque.

Genuine BMW M3 Camshaft Position Sensor

Cam Position Sensor

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10 Camshaft Position Sensors found

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BMW M3 Camshaft Position Sensor
Part Number: 13627525014
$115.92 MSRP: $166.83
You Save: $50.91 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Sensor; M.A.P. Sensor, Pulsator
- Replaces: 13-62-7-546-660, 13-62-7-558-518
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2018 BMW M3 | Sedan(F80)
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BMW M3 Camshaft Position Sensor
Part Number: 13627633958
$115.92 MSRP: $166.83
You Save: $50.91 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M3 | 6 Cyl 3.0 L GAS
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BMW M3 Camshaft Position Sensor
Part Number: 12141740383
$186.61 MSRP: $247.52
You Save: $60.91 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Sensor; Hall Effect Switch, Igniter
- Replaces: 12-14-1-740-959, 12-14-1-748-400
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1995-1996 BMW M3 | Coupe(E36)
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BMW M3 Engine Camshaft Position Sensor
Part Number: 13627796054
$218.70 MSRP: $290.08
You Save: $71.38 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Sensor; Camshaft Position Sensor
- Replaces: 13-62-2-249-320
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2006 BMW M3 | Convertible(E46), Coupe(E46)
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BMW M3 Camshaft Position Sensor
Part Number: 13627837904
$148.17 MSRP: $216.86
You Save: $68.69 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2008-2013 BMW M3 | Convertible(E93), Coupe(E92), Sedan(E90)
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BMW M3 Camshaft Position Sensor
Part Number: 12147830986
$186.61 MSRP: $247.52
You Save: $60.91 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Sensor
- Replaced by: 12147539171
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2006 BMW M3 | Convertible(E46), Coupe(E46)
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BMW M3 Camshaft Position Sensor
Part Number: 12141740959
$186.61 MSRP: $247.52
You Save: $60.91 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft Sensor
- Replaced by: 12141740383
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1995-1996 BMW M3 | Coupe(E36)
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BMW M3 Camshaft Position Sensor
Part Number: 13622249320
$218.70 MSRP: $290.08
You Save: $71.38 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft Sensor
- Replaced by: 13627796054
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2006 BMW M3 | Convertible(E46), Coupe(E46)
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BMW M3 Camshaft Position Sensor
Part Number: 12147539171
$186.61 MSRP: $247.52
You Save: $60.91 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft Sensor
- Replaces: 12-14-7-830-986
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2006 BMW M3 | Convertible(E46), Coupe(E46)
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BMW M3 Camshaft Position Sensor
Part Number: 12141703221
Product Specifications
- Other Name: Camshaft Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1997-1999 BMW M3 | Convertible(E36), Coupe(E36), Sedan(E36)

BMW M3 Camshaft Position Sensor

The BMW M3 Camshaft Position Sensor keeps the high revving performance engine in sync by telling the control module exactly where the camshaft sits at every split second. This small electronic eye tracks camshaft speed and position, sends that data to the computer, and lets the ECU pulse each fuel injector in perfect order so the car surges forward without misfires or stalls, keeping your M3 running strong. Early E36 M3 models applied a front mounted Camshaft Position Sensor above the cam gear, while later E46 and F80 versions placed a revised Camshaft Position Sensor behind the cylinder head, yet both rely on a magnetic pickup reading a toothed wheel to translate motion into crisp voltage signals. Working side by side with the crank sensor, the Camshaft Position Sensor supplies the last timing clue the ECU needs for spark and fuel accuracy, stable idle, and clean starts. If it shorts or cracks, any BMW can crank endlessly or cut out. Ignoring a worn Camshaft Position Sensor risks rough shifts and stalling, threatening legendary BMW heritage and the thrill of every BMW M3 drive.

If you are looking for OEM BMW M3 Camshaft Position Sensor, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW M3 Camshaft Position Sensor that come backed by the manufacturer's warranty.

BMW M3 Camshaft Position Sensor Parts Questions & Experts Answers

Camshaft Position Sensor
12141703221
Q: What role does the Camshaft Position Sensor play in the operation of the Engine Control Module (ECM) on BMW M3?
A:
The Camshaft Position (CMP) sensor is vital for the Engine Control Module (ECM) to operate fuel injection, ignition timing, and knock control. Mounted on the cylinder head, it uses a camshaft marker to generate an electrical pulse, helping the ECM identify when cylinder No. 1 is at Top Dead Center (TDC). This information is used to create an ignition spark and activate the fuel injector. If the CMP sensor fails, ignition and fuel injection cease. Testing involves checking resistance between terminals with a digital ohmmeter. Removal and installation vary by engine type, but typically involve disconnecting the sensor lead, removing necessary components, and installing the new sensor with correct torque.