How to change front brake pads on BMW E39 – replacement guide
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Recommended replacement interval for the part category Brake pad set : 30000km
Important!
This replacement procedure can be used for:
BMW 5 Saloon (E39) 520 i,
BMW 5 Saloon (E39) 525 tds,
BMW 5 Saloon (E39) 540 i,
BMW 5 Saloon (E39) 535 i,
BMW 5 Saloon (E39) 525 td,
BMW 5 Saloon (E39) M5,
BMW 5 Saloon (E39) 535 i,
BMW 5 Saloon (E39) 520 d,
BMW 5 Saloon (E39) 525 d,
BMW 5 Saloon (E39) 520 i,
BMW 5 Saloon (E39) 530 d,
BMW 5 Saloon (E39) 525 i,
BMW 5 Saloon (E39) 530 i,
BMW 5 Saloon (E39) 520 i,
BMW 5 Saloon (E39) 520 i
…
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The steps may slightly vary depending on the car design.
How to change front brake pads / front brake pad set on BMW 520i (E39) [TUTORIAL AUTODOC]
All the parts you need to replace – Brake Pads for 5 Saloon (E39) and other BMW models
Replacement: brake pads – BMW E39. Tip from AUTODOC experts:
Perform the replacement of brake pads in complete set for each axis. This provides effective braking.
The replacement procedure is identical for all brake pads on the same axle.
All work should be done with the engine stopped.
Replacement: brake pads – BMW E39. Take the following steps:
Step 1
Open the hood.
Step 2
Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3
Detach the air duct from the cabin filter housing.
Step 4
Release the cabin filter cover clips.
Step 5
Remove the cabin filter housing cover.
Step 6
Remove the cabin filter housing seal.
Step 7
Remove the cabin air filter housing.
Step 8
Unscrew the brake fluid reservoir cap.
Step 9
Secure the wheels with chocks.
Step 10
Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 11
Raise the front of the car and secure on supports.
Step 12
Unscrew the wheel bolts.
AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. BMW E39
Step 13
Remove the wheel.
Step 14
Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
Step 15
Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
Step 16
Spread the brake pads. Use a crowbar.
Step 17
Detach the brake caliper retaining spring. Use a crowbar.
Step 18
Remove the brake caliper.
Replacement: brake pads – BMW E39. AUTODOC recommends:
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. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 19
Remove the brake pads.
Replacement: brake pads – BMW E39. Tip:
Measure the brake disc thickness. Upon reaching the wear limit the part must be replaced.
Step 20
Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use all-purpose cleaning spray.
Step 21
Treat the brake caliper piston. Use a brake cleaner.
AUTODOC recommends:
Replacement: brake pads – BMW E39. After applying the spray, wait a few minutes.
Step 22
Press in the brake caliper piston. Use brake caliper wind back tool.
Step 23
Treat the brake pads in the area where their surface comes into contact with the brake caliper bracket. Use anti-squeal paste.
Replacement: brake pads – BMW E39. AUTODOC experts recommend:
Make sure the disc surface is clean before installing the pads.
Step 24
Install new brake pads.
Replacement: brake pads – BMW E39. Tip from AUTODOC:
Make sure the pads are installed with linings facing the disc.
Step 25
Install the brake caliper and fix it. Use HEX No.H7. Use a torque wrench. Tighten it to 30 Nm torque.
Step 26
Install the dust boot caps of the brake caliper guide pins.
Step 27
Install the brake caliper retaining spring.
Step 28
Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 29
Clean the brake disk surface. Use a brake cleaner.
Replacement: brake pads – BMW E39. Tip from AUTODOC experts:
After applying the spray, wait a few minutes.
Step 30
Install the wheel.
AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. BMW E39
Step 31
Screw in the wheel bolts. Use wheel impact socket #17.
Step 32
Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 120 Nm torque.
AUTODOC recommends:
Important! Replacement: brake pads – BMW E39. Check the brake fluid level in the reservoir and top up if necessary.
Step 33
Tighten the brake fluid reservoir cap.
AUTODOC recommends:
BMW E39 – Press the brake pedal several times with the engine shut down until you feel the resistance built up.
Step 34
Install the cabin air filter housing.
Step 35
Reinstall the cabin filter housing seal.
Step 36
Reinstall the cabin filter housing cover. Make sure you hear a click indicating that it is locked in place.
Step 37
Attach the cabin filter cover clips.
Step 38
Install the air duct housing.
Step 39
Remove the fender protection cover.
Step 40
Close the hood.
Step 41
Remove the jacks and chocks.
Replacement: brake pads – BMW E39. AUTODOC recommends:
Slow down smoothly for first 150-200 km after the brake pads replacement. Avoid unneccessary and sharp braking to a stop.
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