Bosch 0261231113 Ignition Knock (Detonation) Sensor

Overview

Bosch ignition knock sensor 0261231113 is an OE-quality emission control sensor built to monitor engine knock and support accurate ignition timing. It is a direct fit for select BMW applications and uses a bolt-on design with a rectangular male connector for straightforward replacement.

Compatible with BMW 540i, 740i, 740iL, and 840Ci applications, this sensor helps maintain engine protection and fuel efficiency. Bosch part number 0261231113 is also referenced by Genuine 12141741648 for the same application.

Key Features

• OE-quality knock sensor for ignition knock detection
• Bolt-on mounting type for direct replacement service
• Rectangular connector with male terminals
• Integrated wiring harness included
• Metal and plastic construction

Detailed Description

The Bosch 0261231113 ignition knock sensor is engineered for BMW engines that rely on precise knock detection to protect against detonation and maintain efficient combustion. By sending the engine control system the signal it needs, the sensor supports timing adjustments that can help reduce fuel consumption and preserve engine performance. Bosch identifies this OE-quality sensor as a replacement built for dependable engine protection and fuel economy support.

This part number 0261231113 is a fitment-based replacement for 1996-1997 BMW 740iL, 1997 BMW 540i, 1997 BMW 740i, and 1996-1997 BMW 840Ci applications. If you are sourcing a BMW knock sensor replacement, Bosch 0261231113 provides the connector style, mounting type, and harness configuration needed for the listed vehicles.

What It Helps Address

• Engine knock or detonation-related timing correction issues
• Loss of fuel efficiency caused by inaccurate knock sensing
• Check engine concerns tied to knock sensor circuit faults
• Reduced engine protection from delayed knock detection
• Replacement needs for a worn or failed BMW knock sensor

Installation Notes

Verify connector shape, terminal style, and harness length against the original sensor before installation. This Bosch knock sensor uses a bolt-on mounting design and a single rectangular male connector, so matching the OE configuration is important for proper service. Confirm fitment by year, make, and model before ordering.

Quality Assurance

Bosch OE-quality engineering supports consistent sensor performance and application-specific replacement fitment. This part cross-references Genuine (e.g., 12141741648) for the same application.