Global Parts 1811816 Ignition Knock (Detonation) Sensor

Name: Global Parts 1811816 Ignition Knock (Detonation) Sensor
Brand: Global Parts
SKU: BKNH-1811816
Price: 59.45 USD
Availability: InStock

76 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: BMW, 550i GT, 550i GT xDrive, 650i, X5, 550i, 750i, Alpina B7, 545i, 645Ci, 745i, 745Li, 540i, M5, Z8, and 740iL

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Overview of Global Parts Ignition Knock Sensor 1811816

The Global Parts Ignition Knock (Detonation) Sensor 1811816 is designed for precise detection of engine knock in select BMW models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

Compatible with BMW 540i, 545i, 550i, 550i GT, 550i GT xDrive, 645Ci, 650i, 740iL, 745i, 745Li, 750i, M5, X5, and Z8
Wiring harness length of 13.5 inches for flexible installation
Includes mounting hardware for secure fitment
Single round male connector with 4 pin terminals
Wiring harness included for direct replacement

Detailed Product Features and Specifications

This ignition knock sensor from Global Parts features a 13.5-inch wiring harness, providing sufficient length for installation in various engine compartments of BMW vehicles. The sensor uses a round-shaped male connector with four pin terminals, ensuring reliable electrical connections. Included mounting hardware simplifies the installation process, reducing the need for additional parts. The wiring harness is integrated, allowing for a direct plug-and-play replacement without modifications.

Function and Common Applications

The Global Parts 1811816 ignition knock sensor is essential for detecting engine detonation or knock, which can negatively impact engine efficiency and longevity. It is commonly used to address issues such as:

Engine knocking or pinging noises during acceleration
Reduced fuel efficiency due to improper ignition timing
Check engine light triggered by knock sensor fault codes
Engine performance irregularities related to detonation
Potential engine damage from undetected knock events

Installation Notes and Tips

When installing the Global Parts ignition knock sensor 1811816 on compatible BMW models, ensure the following:

Disconnect the battery before installation to prevent electrical shorts
Use the included mounting hardware to secure the sensor firmly in place
Verify the wiring harness length and connector type match the vehicle’s specifications
Check for proper connector engagement to avoid signal interruptions
Clear any diagnostic trouble codes after installation to reset the engine control unit

Quality Assurance and Warranty

Global Parts provides this ignition knock sensor with quality standards that meet OEM requirements. The part number 1811816 undergoes rigorous testing to ensure durability and accurate sensor performance. Mounting hardware and wiring harness inclusion support reliable installation. Warranty details are available through the manufacturer to cover defects in materials and workmanship.

This part fits 76 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2011	BMW	650Ci	4.8L	V8		N/A
2010	BMW	550i	4.8L	V8		N/A
2010	BMW	550i GT	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2010	BMW	550i GT xDrive	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2010	BMW	650Ci	4.8L	V8		N/A
2010	BMW	650i	4.8L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2010	BMW	X5	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2009	BMW	550i	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2009	BMW	650Ci	4.8L	V8		N/A
2009	BMW	650i	4.8L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2009	BMW	X5	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2008	BMW	550i	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2008	BMW	650Ci	4.8L	V8		N/A
2008	BMW	650i	4.8L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2008	BMW	750Li	4.8L	V8		N/A
2008	BMW	X5	4.8L	V8		N/A
2007	BMW	550i	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2007	BMW	650Ci	4.8L	V8		N/A
2007	BMW	650i	4.8L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2007	BMW	750i	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2007	BMW	750Li	4.8L	V8		N/A
2007	BMW	X5	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2006	BMW	545i	4.4L	V8		N/A
2006	BMW	550i	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2006	BMW	650Ci	4.8L	V8		N/A
2006	BMW	650i	4.8L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2006	BMW	750i	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2006	BMW	750Li	4.8L	V8		N/A
2006	BMW	X5	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2006	BMW	X5	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2005	BMW	545i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2005	BMW	645Ci	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2005	BMW	745i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2005	BMW	745Li	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2005	BMW	X5	4.8L	V8	GAS	N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2005	BMW	X5	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2005	BMW	X5	3.0L	L6		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2004	BMW	545i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2004	BMW	645Ci	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2004	BMW	745i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2004	BMW	745Li	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2004	BMW	X5	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2004	BMW	X5	4.8L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2003	BMW	540i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2003	BMW	745i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2003	BMW	745Li	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2003	BMW	M5	5.0L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2003	BMW	X5	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2003	BMW	X5	4.6L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2003	BMW	Z8	4.8L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2003	BMW	Z8	5.0L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2002	BMW	540i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2002	BMW	745i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2002	BMW	745Li	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2002	BMW	M5	5.0L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2002	BMW	X5	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2002	BMW	X5	4.6L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2002	BMW	Z8	5.0L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2001	BMW	540i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2001	BMW	740i	4.4L	V8		N/A
2001	BMW	740iL	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2001	BMW	M5	5.0L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2001	BMW	X5	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2001	BMW	Z8	5.0L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2000	BMW	540i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2000	BMW	740i	4.4L	V8		N/A
2000	BMW	740iL	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2000	BMW	M5	5.0L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2000	BMW	X5	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
2000	BMW	Z8	5.0L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
1999	BMW	540i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
1999	BMW	740i	4.4L	V8		N/A
1999	BMW	740iL	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
1998	BMW	540i	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.
1998	BMW	740i	4.4L	V8		N/A
1998	BMW	740iL	4.4L	V8		N/A	Ensure compatibility prior to purchasing this Ignition Knock Sensor.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.