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How to change front brake hose on BMW 3 Coupe (E46) – replacement guide
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Recommended replacement interval for the part category Brake hose : 50000 km
Important!
This replacement procedure can be used for:
BMW 3 Coupe (E46) 323 Ci, BMW 3 Coupe (E46) 328Ci, BMW 3 Coupe (E46) 320Ci, BMW 3 Coupe (E46) 318Ci, BMW 3 Coupe (E46) 320 Ci, BMW 3 Coupe (E46) 325Ci, BMW 3 Coupe (E46) 316 Ci, BMW 3 Coupe (E46) 318Ci, BMW 3 Coupe (E46) 330 Cd, BMW 3 Coupe (E46) 320 Cd, BMW 3 Coupe (E46) 316 Ci, BMW 3 Coupe (E46) 318Ci, BMW 3 Coupe (E46) 330Ci, BMW 3 Coupe (E46) 320 Ci, BMW 3 Coupe (E46) 318 Ci, BMW 3 Coupe (E46) 318Ci, BMW 3 Coupe (E46) 323 Ci … View more
The steps may slightly vary depending on the car design.
BMW 3 Coupe (E46) 323 Ci, BMW 3 Coupe (E46) 328Ci, BMW 3 Coupe (E46) 320Ci, BMW 3 Coupe (E46) 318Ci, BMW 3 Coupe (E46) 320 Ci, BMW 3 Coupe (E46) 325Ci, BMW 3 Coupe (E46) 316 Ci, BMW 3 Coupe (E46) 318Ci, BMW 3 Coupe (E46) 330 Cd, BMW 3 Coupe (E46) 320 Cd, BMW 3 Coupe (E46) 316 Ci, BMW 3 Coupe (E46) 318Ci, BMW 3 Coupe (E46) 330Ci, BMW 3 Coupe (E46) 320 Ci, BMW 3 Coupe (E46) 318 Ci, BMW 3 Coupe (E46) 318Ci, BMW 3 Coupe (E46) 323 Ci … 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 Hose for 3 Coupe (E46) and other BMW models
Alternative products

Wire brush
Brake cleaner
Copper grease
Combination spanner #8
Combination spanner #10
Combination spanner #14
Wheel impact socket #17
Ratchet wrench
Torque wrench
Brake bleeder kit
Fluid container
Wheel chock
Replacement: brake hose – BMW 3 Coupe (E46). AUTODOC experts recommend:
- The replacement procedure is identical for the right and left brake hoses on the same axle.
- All work should be done with the engine stopped.
Replacement: brake hose – BMW 3 Coupe (E46). Use the following procedure:
- Step 1Open the bonnet. Unscrew the brake fluid reservoir cap.Step 2
Secure the wheels with chocks. - Step 3
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 4Raise the front of the car and secure on supports.Step 5
Unscrew the wheel bolts.AUTODOC recommends:Important! Hold the wheel while unscrewing the fastening bolts. BMW 3 Coupe (E46) - Step 6
Remove the wheel. - Step 7
Clean the area where the brake hose is connected to the brake caliper and to the brake circuit pipe. Use a wire brush. Use a brake cleaner.Replacement: brake hose – BMW 3 Coupe (E46). Tip:After applying the spray, wait a few minutes. - Step 8
Put a container for gathering brake fluid beneath. - Step 9
Loosen the brake hose fastening. Use a combination spanner #14. Use a ratchet wrench. - Step 10
Detach the brake hose from the shock strut. - Step 11
Unscrew the fastener connecting the brake hose to the brake circuit pipe. Use a combination spanner #10. - Step 12
Unscrew the brake hose from the brake caliper. - Step 13
Screw the new brake hose onto the brake caliper. - Step 14
Fasten the brake hose on the strut. - Step 15
Screw the brake hose onto the brake circuit pipe. - Step 16
Tighten the fastener connecting the brake pipe to the brake caliper. Use a combination spanner #14. Use a torque wrench. Tighten it to 22 Nm torque. - Step 17
Tighten the fastener connecting the brake hose to the brake circuit pipe. Use a combination spanner #10. Use a torque wrench. Tighten it to 14 Nm torque. - Step 18
Clean the brake hose mounting seat on the brake circuit pipe. Use a brake cleaner.AUTODOC recommends:Replacement: brake hose – BMW 3 Coupe (E46). After applying the spray, wait a few minutes.
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