Carlson
Disc Brake Pad Wear Sensor

Carlson 19101 Disc Brake Pad Wear Sensor - Front

Brand Carlson 19101
Position Front
Product line Disc Brake Pad Wear Sensor
Fits BMW · 166 vehicles

Wear sensor. Alerts you when brake pads have worn down and need replacement.

Electric design. Built for proper function with quality materials for reliable performance.

Brake sensor. Monitors pad wear to help maintain safe braking performance.

$22.52Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

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Step 2 — Quantity
Disc Brake Pad Wear Sensors are typically replaced in pairs, axle by axle.
Order total $22.52
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Disc Brake Pad Wear Sensor for BMW Front Brakes

Carlson 19101 is a front disc brake pad wear sensor for BMW applications that use an electric wear indicator. It monitors pad condition and alerts the driver when brake pads have worn to the point that service is needed. This Carlson Disc Brake Pad Wear Sensor line is built with quality materials for reliable function in everyday braking systems.

Key Features

  • Front disc brake pad wear sensor for BMW brake systems
  • Electric wear sensor design for pad condition monitoring
  • Built to provide proper signal when brake pads wear down
  • Fits multiple BMW 2 Series, 3 Series, 4 Series, M2, M3, and M4 front applications
  • Carlson part number 19101

Detailed Description

The Carlson 19101 disc brake pad wear sensor is used on BMW front brake setups that rely on an electrical wear circuit. When the brake pads wear enough for the sensor element to fray, the vehicle warning system is triggered so the driver knows service is due. This part is listed for a wide range of BMW models, including 2017-2021 BMW 230i, 2017-2021 BMW 230i xDrive, 2017-2021 BMW M240i, 2017-2021 BMW M240i xDrive, and many additional 2012-2021 BMW front brake applications. If you are replacing a worn BMW front brake pad wear sensor, Carlson 19101 is a direct-fit option for the listed vehicles.

What It Helps Address

  • Brake pad wear warning light staying on after pad service
  • Frayed or damaged front brake wear sensor wiring
  • Incorrect pad wear signal from a worn sensor
  • Need for a replacement sensor during front brake pad service
  • BMW front brake warning system faults tied to pad wear monitoring

Installation Notes and Tips

Verify the vehicle year, model, and front brake configuration before ordering. This part is listed for front position only and includes fitments for BMW models such as 2017-2021 BMW 230i, front; 2017-2021 BMW 230i xDrive, front; 2017-2021 BMW M240i, front; and 2016-2020 BMW M2, front. Match the sensor to the brake pad and caliper setup shown in the fitment notes, especially on vehicles with D1561, D1609, D1648, or D1880 references. Replace the sensor when the old one is frayed, damaged, or no longer resets properly after brake service.

Quality Assurance

Carlson manufactures its electric wear sensors with quality materials to support proper brake system function and consistent wear indication. Part number 19101 is built for the listed BMW front brake applications.

This part fits 166 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypePositionNotes
2021BMW230iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2021BMW230i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2021BMWM2Front
2021BMWM240iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2021BMWM240i xDriveFrontD1880; Disc Brake Pad Wear Sensor
2020BMW230iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2020BMW230i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2020BMW430iFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2020BMW430i Gran CoupeFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2020BMW430i xDriveFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2020BMW430i xDrive Gran CoupeFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2020BMW440i Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2020BMW440i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2020BMW440i xDrive Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2020BMWM2CompetitionFrontDisc Brake Pad Wear Sensor compatible with model D1609
2020BMWM2CSFrontCeramic Brakes; D1648
2020BMWM240iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2020BMWM240i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2020BMWM4FrontDisc Brake Pad Wear Sensor compatible with model D1609
2019BMW230iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2019BMW230i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2019BMW330i GT xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2019BMW330i xDriveWagonFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2019BMW340i GT xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2019BMW430iFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2019BMW430i Gran CoupeFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2019BMW430i xDriveFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2019BMW430i xDrive Gran CoupeFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2019BMW440iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2019BMW440i Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2019BMW440i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2019BMW440i xDrive Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2019BMWM2FrontDisc Brake Pad Wear Sensor compatible with model D1609
2019BMWM240iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2019BMWM240i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2019BMWM4FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2018BMW230iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2018BMW230i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2018BMW320iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2018BMW320i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2018BMW328dFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2018BMW328d xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2018BMW330eFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2018BMW330iFrontD1561 D1609 D1880
2018BMW330i GT xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2018BMW330i xDriveFrontD1561 D1609 D1880
2018BMW340iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMW340i GT xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMW340i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMW430iFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2018BMW430i Gran CoupeFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2018BMW430i xDriveFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2018BMW430i xDrive Gran CoupeFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2018BMW440iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMW440i Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMW440i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMW440i xDrive Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMWM2FrontDisc Brake Pad Wear Sensor compatible with model D1609
2018BMWM240iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMWM240i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2018BMWM3FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2018BMWM4FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2017BMW230iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2017BMW230i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2017BMW320iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2017BMW320i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2017BMW328dFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2017BMW328d xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2017BMW330eFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2017BMW330iFrontD1561 D1609 D1880
2017BMW330i GT xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2017BMW330i xDriveFrontD1561 D1609 D1880
2017BMW340iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMW340i GT xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMW340i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMW430iFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2017BMW430i Gran CoupeFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2017BMW430i xDriveFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2017BMW430i xDrive Gran CoupeFrontD1561, D1609, D1880 - Disc Brake Pad Wear Sensor
2017BMW440iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMW440i Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMW440i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMW440i xDrive Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMWM2FrontDisc Brake Pad Wear Sensor compatible with model D1609
2017BMWM240iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMWM240i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2017BMWM3FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2017BMWM4FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2016BMW120iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMW228iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2016BMW228i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2016BMW320iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2016BMW320i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2016BMW328dFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2016BMW328d xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2016BMW328iFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2016BMW328i GT xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2016BMW328i xDriveFrontD1561 D1609 D1880
2016BMW330eFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2016BMW335i GT xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMW340iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMW340i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMW428iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2016BMW428i Gran CoupeFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2016BMW428i xDriveFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2016BMW428i xDrive Gran CoupeFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2016BMW435iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMW435i Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMW435i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMW435i xDrive Gran CoupeFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMWM2FrontDisc Brake Pad Wear Sensor compatible with model D1609
2016BMWM235iFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMWM235i xDriveFrontDisc Brake Pad Wear Sensor D1880 - Compatible with disc brake pads.
2016BMWM3FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2016BMWM4FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2015BMW228iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW228i xDriveFrontDisc Brake Pad Wear Sensor Fitment for D1561 and D1880
2015BMW320iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW320i xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2015BMW328dFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2015BMW328d xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2015BMW328iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW328i GT xDriveFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW328i xDriveFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW335iFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMW335i GT xDriveFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMW335i xDriveFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMW428iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW428i Gran CoupeFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW428i xDriveFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW428i xDrive Gran CoupeFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2015BMW435iFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMW435i Gran CoupeFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMW435i xDriveFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMW435i xDrive Gran CoupeFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMWActiveHybrid 3FrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMWM235iFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMWM235i xDriveFrontDisc Brake Pad Wear Sensor compatible with model D1609
2015BMWM3FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2015BMWM4FrontDisc Brake Pad Wear Sensor fitment note: D1609; D1648
2014BMW228iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2014BMW320iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2014BMW320i xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2014BMW328dFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2014BMW328d xDriveFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2014BMW328iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2014BMW328i GT xDriveFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2014BMW328i xDriveFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2014BMW335iFrontDisc Brake Pad Wear Sensor compatible with model D1609
2014BMW335i GT xDriveFrontDisc Brake Pad Wear Sensor compatible with model D1609
2014BMW335i xDriveFrontDisc Brake Pad Wear Sensor compatible with model D1609
2014BMW428iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2014BMW428i xDriveFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2014BMW435iFrontDisc Brake Pad Wear Sensor compatible with model D1609
2014BMW435i xDriveFrontDisc Brake Pad Wear Sensor compatible with model D1609
2014BMWActiveHybrid 3FrontDisc Brake Pad Wear Sensor compatible with model D1609
2014BMWM235iFrontDisc Brake Pad Wear Sensor compatible with model D1609
2013BMW320iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2013BMW320i xDriveFrontDisc brake pad wear sensor compatible with Brake Bleeder Screw D1561.
2013BMW328iFrontBrake Bleeder Screw fitment: Excludes Blue Calipers; D1561
2013BMW328i xDriveFrontFitment note: Not compatible with Blue Calipers, D1561, D1609.
2013BMW335iSedanFrontDisc Brake Pad Wear Sensor compatible with model D1609
2013BMW335i xDriveSedanFrontDisc Brake Pad Wear Sensor compatible with model D1609
2013BMWActiveHybrid 3FrontDisc Brake Pad Wear Sensor compatible with model D1609
2012BMW328iFrontD1561 D1609 - Disc Brake Pad Wear Sensor
2012BMW335iSedanFrontDisc Brake Pad Wear Sensor compatible with model D1609