Holstein 2KNC0180 Ignition Knock (Detonation) Sensor

Holstein Knock Sensor for BMW Applications

The Holstein Parts 2KNC0180 ignition knock sensor is built for BMW engines that need accurate detonation detection and stable ignition control. It uses a rectangular female connector with two male blade terminals for a direct electrical interface on the listed applications.

Holstein Parts focuses on application-specific emission control and sensor components, and this Holstein Parts line item is cataloged for BMW 325i, 325is, 525i, 525iT, and M3 fitments from the early 1990s.

Key Features

• Ignition knock (detonation) sensor for engine timing feedback
• Holstein Parts 2KNC0180 part number for catalog matching and replacement lookup
• Rectangular connector shape with 1 female connector
• 2-terminal design with blade terminals and male terminal gender
• Emission control sensor component for BMW engine management systems
• Cross-references Standard Ignition KS181 for the same application

Detailed Description

Holstein Parts 2KNC0180 is an ignition knock sensor used to monitor engine vibration patterns associated with detonation. On the listed BMW applications, the sensor supports the engine control system by providing the signal needed to adjust ignition timing when knock is detected. This helps maintain proper combustion control in vehicles such as the BMW 325i, 325is, 525i, 525iT, and M3. The Holstein Parts 2KNC0180 is identified by its blade terminal type, rectangular connector, and two-terminal configuration for straightforward part matching.

What It Helps Address

• Knock or pinging under load
• Erratic ignition timing response
• Check engine light related to knock sensor faults
• Reduced engine smoothness caused by detonation control issues
• Failed sensor signal on BMW engine management systems

Installation Notes and Tips

Verify connector shape, terminal count, and terminal gender before installation. Confirm the vehicle application by year and model, especially for BMW 325i, 325is, 525i, 525iT, and M3 listings. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs before connecting the Holstein Parts 2KNC0180.

Quality Assurance

Holstein Parts catalogs this sensor within its emission control and sensor product range for application-specific replacement use. This part cross-references Standard Ignition KS181 for the same application.

Compatible Vehicles

• Fits 1992-1995 BMW 325i, N/A
• Fits 1992-1995 BMW 325is, N/A
• Fits 1991-1995 BMW 525i, N/A
• Fits 1994-1995 BMW M3, N/A
• Fits 1993 BMW 525iT, N/A