BMW 325Ci Knock Sensors

Your BMW 325Ci will be happy to know that the search for the right Knock Sensors you’ve been looking for is over! Advance Auto Parts has 1 different Knock Sensors for your vehicle, ready for shipping or in-store pick up. The best part is, our BMW 325Ci Knock Sensors start from as little as $64.99.

When it comes to your BMW 325Ci, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Knock Sensors brands so you can shop with complete confidence. Some of our top Knock Sensors brands are Carquest Premium. We’re sure you will get the right product to keep that 325Ci running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Knock Sensors for your 325Ci, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 BMW Knock Sensors

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4334)

Ignition Knock (Detonation) Sensor

from

$77.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3735)

Ignition Knock (Detonation) Sensor

from

$50.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4242)

Ignition Knock (Detonation) Sensor

from

$273.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC4144)

Ignition Knock (Detonation) Sensor

from

$253.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC4224)

Ignition Knock (Detonation) Sensor

from

$251.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4232)

Ignition Knock (Detonation) Sensor

from

$249.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Knock Sensor (Part No.SBC3939)

Knock Sensor

from

$242.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3963)

Ignition Knock (Detonation) Sensor

from

$236.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC4238)

Ignition Knock (Detonation) Sensor

from

$229.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Knock Sensor (Part No.SBC3898)

Knock Sensor

from

$212.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1075)

Ignition Knock (Detonation) Sensor

from

$169.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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VDO – Knock Sensor (Part No.F6020304256VDO)

Knock Sensor

from

$164.62
The VDO OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
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Encore Automotive – Genuine OE Ignition Knock (Detonation) Sensor (Part No.SKS-G30002)

Genuine OE Ignition Knock (Detonation) Sensor

from

$153.99
Encore Automotive Genuine OE knock sensor detects excessive/unusual pulses caused by the engine ignition and makes proper adjustments to reduce the risk of damaging pistons. Encore Automotive is dedicated to bringing the latest original equipment technologies to the Aftermarket to provide the highest overall value.

Product Features:
  • Genuine OE Part
  • Highly accurate engine vibration detection
  • Excellent material quality
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1087)

Ignition Knock (Detonation) Sensor

from

$152.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Knock Sensor (Part No.SBC3953)

Knock Sensor

from

$149.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

VDO – Knock Sensor (Part No.F6020304273VDO)

Knock Sensor

from

$149.93
The VDO OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
See More

Bosch – Knock Sensor (Part No.F6020272687BOS)

Knock Sensor

from

$124.22
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
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Bosch – Knock Sensor (Part No.F6020168853BOS)

Knock Sensor

from

$110.26
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
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Bosch – Knock Sensor (Part No.0261231200)

Knock Sensor

from

$107.99
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4137)

Ignition Knock (Detonation) Sensor

from

$103.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Bosch – Knock Sensor (Part No.F6020238424BOS)

Knock Sensor

from

$87.63
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
See More

Bosch – Knock Sensor (Part No.0261231072)

Knock Sensor

from

$83.99
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
See More

Bosch – Knock Sensor (Part No.F6020118652BOS)

Knock Sensor

from

$82.25
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3896)

Ignition Knock (Detonation) Sensor

from

$76.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Bosch – Knock Sensor (Part No.F602049738BOS)

Knock Sensor

from

$75.74
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
See More