34 11 000 Removing And Installing/Replacing Brake Pads On Both Front Disc Brakes (M5)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

34 1 050
34 1 280

IMPORTANT:

Brake pad wear sensor: after removal it must be replaced (brake pad wear sensor loses its retention capability in the break pad) .
Retaining pins and expanding spring: for vehicles older than 48 months it is recommended to replace the retaining spring!

So as not to damage the surface coating, if possible do not mechanically clean the guide surfaces for the brake pads on the brake caliper mounting bracket. Instead, clean with brake cleaner BMW part no. 83 19 2 154 780 and apply a thin coating of brake pad paste BMW part no. 83 19 2 158 851 (3 g) or 83 19 2 158 852 (100 g) .

Necessary preliminary tasks:

Remove wheels.
Remove brake pad wear sensor.

Drive out locking pins (1) in direction of arrow.

Installation note:

When inserting the retaining pin, the brake pad must be pressed against the spring force of the retaining spring!

Fig 1: Locking Pins

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: When pressing down piston, note brake fluid level in expansion tank.
Overflowing brake fluid will damage the paintwork.

Turn piston back fully with special tool 34 1 050.

Fig 2: Pressing Down Piston Using Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (2).

Pull the brake caliper to the rear as far as the brake hose (1) will allow.

Brake caliper stays on the stud bolts!

Installation note:

Tightening torque: 34 11 5AZ .

Fig 3: Brake Hose And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Feed the brake pads (2) out of the brake caliper (1).

IMPORTANT: Mark any worn brake pads.
In the event of one-sided brake pad wear, do not change brake pads round.

Observe minimum thickness of brake pads.

Installation note:

Clean brake pads, brake caliper and guide pins.

Fig 4: Removing Brake Pads From Brake Caliper

Courtesy of BMW OF NORTH AMERICA, INC.

Do not grease backs of brake pads sleeve.

Brake pads must be correctly seated on guide pins.

Check minimum brake disc thickness:

Position special tool 34 1 280 at three measuring points in area (1) and measure.
Compare measuring result and lowest value with setpoint value.

Fig 5: Checking Minimum Brake Disc Thickness
Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: New brake pads may only be fitted if the brake disc thickness is greater than the minimum brake disc thickness (MIN TH).

IMPORTANT: Do not grease brake pads and guides with brake pad paste.

Clean contact surface (1) of brake pistons with brake cleaner.

Fig 6: Contact Surface Of Brake Pistons

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not grease contact surfaces (1) with brake shoe paste.

Clean contact surface (1) of brake pistons with brake cleaner.

Fig 7: Contact Surface Of Brake Caliper

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: After completing repair work:

When installing new brake pads at front and rear axles, brake fluid level must be brought up to "MAX" marking.
Fully depress brake pedal several times so that brake pads contact brake discs.
Read and comply with notes on breaking in new brake discs/brake pads.
When replacing pads, reset CBS display in accordance with factory specification.