Bosch
Ignition Knock (Detonation) Sensor (New)

Bosch 0261231074 Ignition Knock (Detonation) Sensor

Brand Bosch 0261231074
Product line Ignition Knock (Detonation) Sensor (New)
Fits BMW · 2 vehicles

OE quality. Knock sensor engineered for dependable engine protection.

Helps reduce fuel consumption by up to 9%.

Ignition knock sensor for precise detonation detection.

Cross-references 12141736303 for the same application. See all 1.

$81.21Free shipping
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Bosch Knock Sensor for BMW 740i and 740iL

This Bosch ignition knock sensor is an OE-quality replacement for 1993 BMW 740i and 740iL models built from 05/1993. It is engineered to help the engine management system detect detonation accurately, supporting smoother operation and improved fuel consumption control.

  • Bosch OE quality knock sensor for ignition knock detection
  • Fits 1993 BMW 740i, N/A, from 05/1993
  • Fits 1993 BMW 740iL, N/A, from 05/1993
  • Part number 0261231074 for direct catalog lookup
  • Designed for emission control and engine protection applications

Product Details

Bosch’s Ignition Knock (Detonation) Sensor line focuses on accurate signal response for modern engine control systems. This sensor helps the ECU identify abnormal combustion so timing adjustments can be made as needed, which supports engine protection and more efficient fuel use. If you are replacing a failed knock sensor on a BMW 740i or BMW 740iL from the 1993 model year, Bosch 0261231074 is a direct-fit service part for the listed applications. This part cross-references BMW 12141736303 for the same application.

What This Sensor Helps Address

  • Check engine light related to knock sensor circuit faults
  • Audible pinging or detonation under load
  • Reduced engine performance from incorrect ignition timing
  • Fuel economy loss caused by poor combustion control
  • Driveability issues tied to inaccurate knock detection

Installation Notes and Tips

Verify the vehicle build date before ordering, since fitment applies to 1993 BMW 740i and 740iL models from 05/1993. Inspect the sensor mounting surface, wiring connector, and harness condition during replacement. Clear diagnostic trouble codes after installation and confirm the repair with a road test and scan tool verification.

Quality Assurance

Bosch manufactures this knock sensor to OE-quality standards for consistent signal performance and reliable engine management input. Part number 0261231074 is cataloged for emission control sensor applications and direct replacement use on the listed BMW models.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1993BMW740i4.0LV8N/AFrom 05/1993; Ignition Knock (Detonation) Sensor (New)
1993BMW740iL4.0LV8N/AFrom 05/1993; Ignition Knock (Detonation) Sensor (New)
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12141736303