Bosch 0261231072 Ignition Knock (Detonation) Sensor

Bosch Knock Sensor for BMW 318i, 318is, 318ti

This Bosch ignition knock sensor helps monitor engine detonation so the engine control system can respond quickly and maintain proper combustion timing. It is an OE-quality replacement for select BMW 3 Series models, including the 1992-1995 BMW 318i, 1992-1995 BMW 318is, and 1995 BMW 318ti.

Key Features

• Bosch OE quality ignition knock (detonation) sensor
• Supports engine protection by detecting abnormal combustion
• Helps reduce fuel consumption when the engine management system can maintain correct timing
• Direct-fit replacement for select BMW applications
• Part number 0261231072 for accurate lookup and ordering

Product Details

Bosch 0261231072 is an ignition knock sensor built for select BMW 318i, BMW 318is, and BMW 318ti applications. As part of the emission control and sensor system, it sends knock-related input to the engine management system so timing adjustments can be made when detonation is detected. Bosch identifies this OE-quality knock sensor line as a way to support engine protection and help reduce fuel consumption, with potential savings up to 9% when the system is operating as intended.

This part cross-references BMW 12141734580 for the same application. If you are searching for a BMW 318i knock sensor, BMW 318is knock sensor, or BMW 318ti detonation sensor, Bosch 0261231072 is the correct OE-style replacement to verify against your original part number.

Common Symptoms It May Address

• Check engine light related to knock sensor or detonation faults
• Engine pinging or spark knock under load
• Reduced fuel economy from incorrect ignition timing control
• Rough running caused by inaccurate knock feedback
• Loss of engine protection strategy in the control system

Installation Notes

Confirm the original connector style, mounting location, and part number before installation. Clean the mounting surface and inspect the harness for damage or corrosion so the new sensor can transmit accurate signal data. After installation, clear any stored fault codes and verify proper operation with a scan tool if required.

Quality Assurance

Bosch manufactures this knock sensor to OE-quality standards for consistent signal performance and dependable engine management input. Verify fitment against your vehicle identification and original equipment reference before purchase.