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How to change front brake pad wear sensor on BMW 3 Saloon (E90) – replacement guide
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Recommended replacement interval for the part category Brake pad wear sensor : 30000 km
Important!
This replacement procedure can be used for:
BMW 3 Saloon (E90) 318d, BMW 3 Saloon (E90) 320i, BMW 3 Saloon (E90) 325i, BMW 3 Saloon (E90) 330i, BMW 3 Saloon (E90) 320d, BMW 3 Saloon (E90) 318i, BMW 3 Saloon (E90) 318 d, BMW 3 Saloon (E90) 330 d, BMW 3 Saloon (E90) 320 si, BMW 3 Saloon (E90) 335i, BMW 3 Saloon (E90) 335 d, BMW 3 Saloon (E90) 320 d, BMW 3 Saloon (E90) 325 d, BMW 3 Saloon (E90) 318i, BMW 3 Saloon (E90) 318 d, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) 320i, BMW 3 Saloon (E90) 330 i, BMW 3 Saloon (E90) 316i, BMW 3 Saloon (E90) 323 i, BMW 3 Saloon (E90) 330d, BMW 3 Saloon (E90) 330 d xDrive, BMW 3 Saloon (E90) 316 i, BMW 3 Saloon (E90) 325i xDrive, BMW 3 Saloon (E90) 330 i xDrive, BMW 3 Saloon (E90) 335i xDrive, BMW 3 Saloon (E90) 316 d, BMW 3 Saloon (E90) 320d, BMW 3 Saloon (E90) 320 d xDrive, BMW 3 Saloon (E90) 325 d, BMW 3 Saloon (E90) 320 i, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) 318i, BMW 3 Saloon (E90) 328i, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) 330i, BMW 3 Saloon (E90) 320 i … View more
The steps may slightly vary depending on the car design.
BMW 3 Saloon (E90) 318d, BMW 3 Saloon (E90) 320i, BMW 3 Saloon (E90) 325i, BMW 3 Saloon (E90) 330i, BMW 3 Saloon (E90) 320d, BMW 3 Saloon (E90) 318i, BMW 3 Saloon (E90) 318 d, BMW 3 Saloon (E90) 330 d, BMW 3 Saloon (E90) 320 si, BMW 3 Saloon (E90) 335i, BMW 3 Saloon (E90) 335 d, BMW 3 Saloon (E90) 320 d, BMW 3 Saloon (E90) 325 d, BMW 3 Saloon (E90) 318i, BMW 3 Saloon (E90) 318 d, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) 320i, BMW 3 Saloon (E90) 330 i, BMW 3 Saloon (E90) 316i, BMW 3 Saloon (E90) 323 i, BMW 3 Saloon (E90) 330d, BMW 3 Saloon (E90) 330 d xDrive, BMW 3 Saloon (E90) 316 i, BMW 3 Saloon (E90) 325i xDrive, BMW 3 Saloon (E90) 330 i xDrive, BMW 3 Saloon (E90) 335i xDrive, BMW 3 Saloon (E90) 316 d, BMW 3 Saloon (E90) 320d, BMW 3 Saloon (E90) 320 d xDrive, BMW 3 Saloon (E90) 325 d, BMW 3 Saloon (E90) 320 i, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) 318i, BMW 3 Saloon (E90) 328i, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) 330i, BMW 3 Saloon (E90) 320 i … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Brake Pad Wear Sensor for 3 Saloon (E90) and other BMW models
Alternative products

Nylon cleaning brush
Electronic spray
Brake cleaner
Copper grease
Wheel impact socket #17
Torque wrench
Wheel chock
Replacement: brake pad wear sensor – BMW 3 (E90). AUTODOC recommends:
- The replacement procedure is identical for both brake pad wear sensors on the same axle.
- All work should be done with the engine stopped.
Replacement: brake pad wear sensor – BMW 3 (E90). Recommended sequence of steps:
- Step 1
Secure the wheels with chocks. - Step 2
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 3Raise the front of the car and secure on supports.Step 4
Unscrew the wheel bolts.Replacement: brake pad wear sensor – BMW 3 (E90). AUTODOC experts recommend:To avoid injury, hold up the wheel when unscrewing the bolts. - Step 5
Remove the wheel. - Step 6
Remove the brake pad wear sensor from the brake pad. - Step 7
Disconnect the brake pads wear sensor. - Step 8
Clean the brake pad wear sensor plug. Use a nylon cleaning brush. - Step 9
Disconnect the brake pad wear sensor plug. - Step 10
Treat the brake pad wear sensor plug. Use dielectric grease. - Step 11
Connect the brake pad wear sensor plug.
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