Delphi AS10238 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for BMW Applications

Delphi AS10238 is an ignition knock sensor built for accurate engine monitoring in select BMW applications. It uses a 4-terminal pin design with a single oval male connector to support a direct-fit replacement on listed vehicles, including BMW 328i, 528i, X3, and X5 models.

Key Features

• Ignition knock (detonation) sensor for engine knock detection
• Delphi AS10238 part number for easy identification
• 1 connector with oval shape
• 4 terminals, male connector and male terminal design
• Pin terminal type for OE-style electrical connection
• Package contents: ignition knock (detonation) sensor
• Fits select BMW 325i, 328i, 528i, X3, X5, and Z4 applications

Detailed Description

Delphi AS10238 is part of Delphi’s sensor lineup, which is developed and validated to OE standards for accurate signal output. As an ignition knock sensor, it monitors engine vibration patterns so the engine control system can respond to detonation events and maintain proper performance. This sensor is a strong match for BMW owners searching for a Delphi knock sensor, Delphi AS10238, or a replacement knock sensor for BMW 328i and 528i applications.

This part cross-references Standard Ignition KS350 for the same application.

What It Helps Address

• Knock sensor fault codes
• Erratic ignition timing caused by detonation detection issues
• Rough engine operation related to inaccurate knock input
• Check engine light concerns tied to the knock sensor circuit
• Reduced engine control accuracy from a failing sensor signal

Installation Notes and Tips

• Verify connector shape, terminal count, and mounting location before installation.
• Mounting hardware is not included.
• Inspect the harness connector for corrosion, bent pins, or damaged locking tabs before connecting the new sensor.
• Confirm the vehicle application by year, make, and model before ordering Delphi AS10238.

Quality Assurance

Delphi tests and calibrates its sensors to OE standards to help deliver accurate readings and reduce repeat repairs. This focus on validation supports consistent performance in listed BMW applications, including 2006-2013 BMW 325i, 328i, 528i, X3, X5, and Z4 fitments.

Compatible With

• Fits 2008-2013 BMW 128i, N/A
• Fits 2007-2013 BMW 328i, N/A
• Fits 2009-2013 BMW 328i xDrive, N/A
• Fits 2007-2012 BMW X3, N/A
• Fits 2008-2011 BMW 528i, N/A
• Fits 2006-2011 BMW Z4, N/A
• Fits 2009-2010 BMW 528i xDrive, N/A
• Fits 2007-2010 BMW X5, N/A
• Fits 2007-2008 BMW 328xi, N/A
• Fits 2008 BMW 528xi, N/A
• Fits 2006-2007 BMW 525i, N/A
• Fits 2006-2007 BMW 525xi, N/A
• Fits 2006-2007 BMW 530xi, N/A
• Fits 2006 BMW 325i, N/A
• Fits 2006 BMW 325xi, N/A
• Fits 2006 BMW 330i, N/A
• Fits 2006 BMW 330xi, N/A
• Fits 2006 BMW 530i, N/A