When to replace the Brake Discs on your BMW 3 SERIES
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
BMW 3 Compact (E46) 318 ti, BMW 3 Compact (E46) 316 ti, BMW 3 Compact (E46) 316 ti, BMW 3 Compact (E46) 318 td, BMW 3 Compact (E46) 320 td, BMW 3 Compact (E46) 318 ti, BMW 3 Compact (E46) 325 ti, BMW 3 Compact (E46) 316 ti 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

Tools
Replacement: brake discs – BMW 3 Compact (E46). Tools you need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Drive socket # 16
HEX bit No.H7.
Torx bit T30
Wheel impact socket #17
Brake caliper wind back tool
Ratchet wrench
Torque wrench
Tap wrench
Crow bar
Impact screwdriver
Rubber mallet
Wheel chock
Replacement: brake discs – BMW 3 Compact (E46). AUTODOC recommends:
  • Replace the brake disks on the car BMW 3 Compact (E46) in complete set for each axis. Regardless of the state of components. This will ensure even braking.
  • The replacement procedure is identical for both brake disks on the same axle.
  • When changing the brake discs, always replace the brake pads.
  • All work should be done with the engine stopped.
Replacement: brake discs – BMW 3 Compact (E46). Use the following procedure:
  1. Step 1
    Open the bonnet. Unscrew the brake fluid reservoir cap.
    Step 2
    How to change Brake Discs on BMW 3 Compact (E46) 2001 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 3
    How to replace BMW 3 Compact (E46) 316ti 1.8 2002 Brake Discs - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 4
    Raise the front of the car and secure on supports.
    Step 5
    BMW 3 Compact (E46) 320td 2.0 2003 Brake Discs replacement: free workshop manuals
    Unscrew the wheel bolts.
    Replacement: brake discs – BMW 3 Compact (E46). Tip:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  4. Step 6
    Changing Brake Discs on BMW 3 Compact (E46) 318ti 2.0 2004 by yourself
    Remove the wheel.
  5. Step 7
    How to remove BMW 3 SERIES 318td 2.0 2005 Brake Discs - online easy-to-follow instructions
    Spread the brake pads. Use a crowbar.
  6. Step 8
    How to replace Brake Discs on BMW 3 Compact (E46) 2001: download PDF manuals and video instructions
    Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
  7. Step 9
    How hard is it to do yourself: Brake Discs replacement on BMW 3 Compact (E46) 318Ti 2.0 2002 - download illustrated guide
    Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
  8. Step 10
    Need to know how to renew Brake Discs on BMW 3 SERIES 2003? This free workshop manual will help you to do it yourself
    Detach the brake caliper retaining spring. Use a crowbar.
  9. Step 11
    Changing of Brake Discs on BMW 3 Compact (E46) 2004 won't be an issue if you follow this illustrated step-by-step guide
    Remove the brake caliper.
    Replacement: brake discs – BMW 3 Compact (E46). AUTODOC experts recommend:
    Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.
  10. Step 12
    BMW 3 SERIES 316ti 1.8 Brake Discs replacement: online guides and video tutorials
    Remove the brake pads.
  11. Step 13
    Replacing Brake Discs on BMW 3 Compact (E46) 2001 316ti 1.8 by yourself
    Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
  12. Step 14
    3 Compact (E46) 318td 2.0 2002 Brake Discs DIY replacement workshop manual
    Unscrew the caliper bracket fastening. Use a drive socket #16. Use a tap wrench. Use a ratchet wrench.
  13. Step 15
    How to change Brake Discs on BMW 3 Compact (E46) 2003 - tips and tricks
    Remove the caliper bracket.
  14. Step 16
    Step-by-step recommendations for DIY replacement BMW 3 Compact (E46) 2004 318td 2.0 Brake Discs
    Clean the brake disk surface. Use a wire brush. Use WD-40 spray.
  15. Step 17
    DIY replacement of Brake Discs on BMW 3 Compact (E46) 325 ti 2005 is not an issue anymore with our step-by-step tutorial
    Unscrew the brake disc fastening. Use Torx T30. Use an impact screwdriver.
    Replacement: brake discs – BMW 3 Compact (E46). Tip from AUTODOC:
    If necessary, use a rubber mallet.
  16. Step 18
    How to change Brake Discs on BMW 3 Compact (E46) 2001 - free PDF and video manuals
    Remove the brake disc.
  17. Step 19
    How to replace BMW 3 Compact (E46) 316ti 1.8 2002 Brake Discs - step-by-step manuals and video guides
    Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
  18. Step 20
    BMW 3 Compact (E46) 320td 2.0 2003 Brake Discs replacement: free workshop manuals
    Install the brake disc.
  19. Step 21
    Changing Brake Discs on BMW 3 Compact (E46) 318ti 2.0 2004 by yourself
    Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 16 Nm torque.
  20. Step 22
    How to remove BMW 3 SERIES 318td 2.0 2005 Brake Discs - online easy-to-follow instructions
    Install the brake caliper bracket.
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DIY BMW 3 Compact (E46) Brake Discs replacement - online guide
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