
Select your vehicle to check fitment.
Knock Sensor
Fits BMW, Mini — 390 vehicle applications
Contact us at 1-866-461-2787 for pricing
Contact us at 1-866-461-2787 for pricing
Call for PriceCustomer reviews
- Verified
“I've been ordering from Autrex for over 2 years now. Their fitment tool is incredibly accurate, and I've never received a wrong part. The prices are competitive and shipping is always fast. Highly recommend!”
— Michael T., Toronto, ON
- Verified
“Had an issue with a brake caliper that turned out to be defective. Their warranty team handled the replacement quickly and professionally. New part arrived in 3 days. This is how customer service should be!”
— Sarah L., Vancouver, BC
BFNG 1KS1398 Vehicle Fitment
Fits 390 vehiclesThis Knock Sensor fits BMW, Mini vehicles.
2023-2025 BMW M2
2023-2024 BMW M440i xDrive Gran Coupe
2023-2024 BMW M440i Gran Coupe
2022-2023 BMW 128ti
2022-2023 BMW 220i Gran Coupe
2021-2025 BMW M4
2021-2025 BMW M3
2021-2024 BMW 330e xDrive
2021-2024 BMW M440i xDrive
2021-2024 BMW M440i
2021-2024 BMW 228i Gran Coupe
2020-2025 BMW 840i
2020-2025 BMW 840i Gran Coupe
2020-2025 BMW 840i xDrive
2020-2025 BMW 840i xDrive Gran Coupe
2020-2024 BMW M340i
2020-2024 BMW M340i xDrive
2020-2024 BMW M235i xDrive Gran Coupe
2020-2024 BMW 228i xDrive Gran Coupe
2020-2023 BMW X6
2020-2023 BMW 220i
2020-2023 BMW 320i
2020-2023 BMW M135i
2019-2025 BMW X4
2019-2025 BMW Z4
2019-2023 BMW X5
2018-2024 BMW X3
2018-2023 BMW 530e
2018-2023 BMW 530e xDrive
2018-2023 BMW X2
2017-2025 BMW M240i
2017-2025 BMW M240i xDrive
2017-2025 BMW 230i
2017-2025 BMW 230i xDrive
2017-2024 BMW 330i
2017-2024 BMW 330i xDrive
2017-2024 BMW 430i
2017-2024 BMW 430i xDrive
2017-2024 BMW 430i Gran Coupe
2017-2024 BMW 430i xDrive Gran Coupe
2017-2023 BMW 530i
2017-2023 BMW 530i xDrive
2017-2023 BMW 540i xDrive
2017-2021 BMW 740i xDrive
2016-2024 BMW 330e
2016-2022 BMW X1
2016-2021 BMW 740i
BFNG 1KS1398 Specifications
- Prop 65
- ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
- Material
- Metal, Plastic
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Length
- 1.74
- Length
- 44.20
- Color
- Black
BFNG 1KS1398 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
BFNG 1KS1398 Product Description
Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. These sensors use the highest quality piezoceramic elements manufactured to tight tolerances for increased durability and accuracy. These Knock Sensors are designed to meet and exceed OEM specifications.
Key Features
- Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
- 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.
- 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
Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. These sensors use the highest quality piezoceramic elements manufactured to tight tolerances for increased durability and accuracy. These Knock Sensors are designed to meet and exceed OEM specifications.
About BFNG
Shop BFNG Ignition Knock (Detonation) Sensor at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG 1KS1398. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Frequently Asked Questions — BFNG 1KS1398
What vehicles does the BFNG 1KS1398 fit?
The BFNG 1KS1398 fits 50 vehicle applications including 2017-2025 BMW M240i, 2017-2025 BMW M240i xDrive, 2017-2025 BMW 230i, 2017-2025 BMW 230i xDrive, 2019-2025 BMW X4 and 45 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG 1KS1398 replace?
The BFNG 1KS1398 is a direct replacement for 1KS1398, 13627636937. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG 1KS1398?
Shipping options for the BFNG 1KS1398 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
What is the price of the BFNG 1KS1398?
For current pricing on the BFNG 1KS1398, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Is the Knock Sensor a direct fit replacement?
Yes, the Knock Sensor by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Knock Sensor come with?
The Knock Sensor comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.