NGK
NGK 81501 CHC3-A502 Crankshaft Position/Pulse Sensor (CKP) for BMW E36 E39 E46 Z3 320i 323i 328i 520i 523i 528i 728i
NGK 81501 CHC3-A502 Crankshaft Position/Pulse Sensor (CKP) for BMW E36 E39 E46 Z3 320i 323i 328i 520i 523i 528i 728i
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NGK CHC3-A502 Engine Speed Sensor NGK 81501
Restore crisp ignition timing and reliable starting with this NGK CHC3-A502 engine speed sender, part number 81501. This direct plug in crank angle sensor feeds clean RPM and position data to your DME for smooth idle, strong pull through the rev range and dependable hot or cold starts. Ideal when diagnosing no start, intermittent cut out, hesitation, rough idle or random stalling on many six cylinder BMW petrol models.
We rate this unit highly at MJ Modifications. We have installed NGK 81501 on customer cars and it has delivered excellent fitment, signal stability and long term reliability. If you need a high quality replacement for a tired or failing RPM pickup on your straight six, this is the sensor we recommend.
Key benefits
- Accurate crank angle feedback for precise fuel and ignition synchronisation
- Direct fit 3 pin angled connector with integrated lead for tidy routing
- OE grade build quality from NGK for durability and heat resistance
- Helps resolve hard starting, misfire at low rpm and intermittent cut outs
- Perfect for preventative maintenance on ageing M52 and M52TU powered cars
Product details
- Manufacturer: NGK
- Part number: 81501
- Model reference: CHC3-A502
- Connector: angled, 3 pin
- Supplied with cable
Vehicle applications
Suits a wide range of BMW petrol six cylinder models using the 3 pin crank sensor:
- 3 Series E36 320i 323i 325i 328i including Saloon, Coupe, Convertible, Touring and Compact
- 3 Series E46 early models 320i 323i 328i including Saloon, Coupe, Touring and Convertible
- 5 Series E39 520i 523i 528i Saloon and Touring
- 7 Series E38 728i and 728iL
- Z3 E36 Roadster 2.0 and 2.8, Z3 Coupe 2.8
If you are unsure about compatibility, we are happy to confirm before you buy.
Fitment verification
Add your UK registration or the last 7 characters of your VIN at checkout and we will check this NGK 81501 CHC3-A502 sensor suits your exact vehicle before dispatch.
Professional installation
Want it fitted by specialists? Book installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and friendly advice.
Common searches
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