When to replace the Brake Pad Wear Sensor on your BMW 3 SERIES
Recommended replacement interval for the part category Warning Contact, brake pad wear : 30000 km
Important!
This replacement procedure can be used for:
BMW 3 Saloon (E46) 318 i, BMW 3 Saloon (E46) 328 i, BMW 3 Saloon (E46) 316 i, BMW 3 Saloon (E46) 318 d, BMW 3 Saloon (E46) 316 i, BMW 3 Saloon (E46) 318 i, BMW 3 Saloon (E46) 320 d, BMW 3 Saloon (E46) 320 d, BMW 3 Saloon (E46) 320 i, BMW 3 Saloon (E46) 325 i, BMW 3 Saloon (E46) 325 xi, BMW 3 Saloon (E46) 323 i, BMW 3 Saloon (E46) 320 i, BMW 3 Saloon (E46) 316 i, BMW 3 Saloon (E46) 318 d, BMW 3 Saloon (E46) 316 i View more

The steps may slightly vary depending on the car design.
Similar video tutorial
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 (E46) and other BMW models
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Warning Contact, brake pad wear
How to change Sensor, brake pad wear on BMW E46 320d 2.0 – step-by-step instructions for straightforward car repair
Sensor, brake pad wear
How to change Wear Indicator, brake pad on BMW E46 320d 2.0 – step-by-step instructions for straightforward car repair
Wear Indicator, brake pad
Tools
Replacement: brake pad wear sensor – BMW 3 (E46). Tools you'll need:
Wire brush
Brake cleaner
Electronic spray
Copper grease
Torque wrench
Wheel impact socket #17
Round-nose pliers
Wheel chock
Replacement: brake pad wear sensor – BMW 3 (E46). AUTODOC experts recommend:
  • The replacement procedure is identical for both brake pad wear sensors on the same axle.
  • Please note: all work on the car – BMW 3 (E46) – should be done with the engine switched off.
Carry out replacement in the following order:
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DIY BMW 3 Saloon (E46) Brake Pad Wear Sensor replacement - online guide
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