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BFNG
Part # 1KS1398
4.92,847 verified reviews

Knock Sensor

Fits BMW, Mini — 390 vehicle applications

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Contact us at 1-866-461-2787 for pricing

available

Contact us at 1-866-461-2787 for pricing

Call for Price
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy

Customer 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

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BFNG 1KS1398 Vehicle Fitment

Fits 390 vehicles

This 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

1KS139813627636937

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.