How to access and replace the knock sensors on BMW 330i?

Disconnect the negative battery cable. To access the knock sensors, remove the intake manifold. There are two knock sensors on the left side of the block. The front knock sensor is located on the block near the ECT sensor. The rear knock sensor is mounted behind the starter motor. Mark the mounting angle of the sensors. Disconnect the electrical connector to the sensors. Remove the mounting bolt at each sensor. These bolts are aluminum and must be discarded. Installation is the reverse of removal, noting the following points: Clean the block surface before installing the sensors. Use new aluminum bolts. Mount the sensors at the same angle as original. Tighten bolts to 63 in-lbs, then an additional 90-degrees.

Genuine BMW 330i Knock Sensor

Engine Knock Sensor

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4 Knock Sensors found

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BMW 330i Engine Knock Ping Sensor
Part Number: 13627566785
$108.47 MSRP: $156.10
You Save: $47.63 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Ping Sensor; Knock Sensor
- Replaces: 13-62-7-525-039
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 330i | Sedan(E90)
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BMW 330i Knock Sensor
Part Number: 13627636937
$40.11 MSRP: $56.78
You Save: $16.67 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Ping Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2024 BMW 330i | 4 Cyl 2.0 L GAS, Sedan(F30), Sedan(G20)
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BMW 330i Knock Sensor
Part Number: 13627568422
$108.47 MSRP: $156.10
You Save: $47.63 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Ping Sensor
- Replaces: 12-14-1-435-485
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 330i | Sedan(E46)
View related parts
BMW 330i Knock Sensor
Part Number: 12141435485
$108.47 MSRP: $156.10
You Save: $47.63 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Ping Sensor
- Replaced by: 13627568422
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 330i | Sedan(E46)

BMW 330i Knock Sensor

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BMW 330i Knock Sensor Parts Questions & Experts Answers

Engine Knock Ping Sensor
13627566785
Q: How to access and replace the knock sensors on BMW 330i?
A: Disconnect the negative battery cable. To access the knock sensors, remove the intake manifold. There are two knock sensors on the left side of the block. The front knock sensor is located on the block near the ECT sensor. The rear knock sensor is mounted behind the starter motor. Mark the mounting angle of the sensors. Disconnect the electrical connector to the sensors. Remove the mounting bolt at each sensor. These bolts are aluminum and must be discarded. Installation is the reverse of removal, noting the following points: Clean the block surface before installing the sensors. Use new aluminum bolts. Mount the sensors at the same angle as original. Tighten bolts to 63 in-lbs, then an additional 90-degrees.