AutoCodes.com | All About OBDII Engine Codes
AutoCodes - BMW - P0327 BMW

P0327 BMW Code - Knock Sensor Circuit Sensor 1 Error

- Code Popularity: 16,854 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC P0327 BMW?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty knock sensor
  • Knock sensor circuit poor electrical connection
  • Knock sensor harness is open or shorted
  • Faulty Engine Control Module (ECM)
⚠ Does your BMW have Safety Recalls? → Check here

How to Fix the DTC P0327 BMW?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually takes care of the problem.

Search for P0327 BMW Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0327 BMW code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

An excessively low voltage from the sensor is sent to Engine Control Module (ECM)

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine Lack / Loss of Power

Code P0327 BMW Description

The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the Engine Control Module (ECM).

OBDII Code P0327 BMW - Knock Sensor Circuit Sensor 1 Error - AutoCodes.com
P0327 BMW Code - Knock Sensor Circuit Sensor 1 Error

Need More Information on the Code?

Need more information on how to fix the P0327 BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0327 BMW code diagnosed by a professional: Find a repair shop in your area

Code P0327 BMW comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0327 BMW code? Have you replaced any parts?
Any information is appreciated. Thanks