Mounting the wheel

Clean the contact surfaces between the brake disc and the wheel rim

NOTE: TECHNICAL INFORMATION
The contact surface between the brake disc and the wheel rim must be clean and free from oil and grease. There is otherwise a risk of the wheel becoming loose at a later time.

Courtesy of BMW OF NORTH AMERICA, INC.

Remove dirt, grease residues and corrosion from the contact surface with a drill and the special tool 2 344 011.
Do not operate special tool 2 344 011 with an impact screwdriver.
Degrease contact surfaces.
CONSUMABLE SPECIFICATION

Universal cleaner 20 I, Canister 83192360981
If there are grease deposits in the area of the wheel bolt holes, remove and clean the brake disc.
Remove dirt, grease residues and corrosion from the contact surface with a drill and the special tool 2 344 011 .
Do not operate special tool 2 344 011 with an impact screwdriver.
Degrease contact surfaces.
CONSUMABLE SPECIFICATION

Universal cleaner 20 I, Canister 83192360981

Courtesy of BMW OF NORTH AMERICA, INC.

Check that the mounting bolt (1) for the brake disc is securely seated.

Die mounting bolt (1) for the brake disc may not on the contact surface (2) between the brake disc and the wheel rim.

TIGHTENING TORQUES SPECIFICATION

Brake disc to front wheel hub
M8	tightening torque	16 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUES SPECIFICATION

Brake disc to rear wheel hub
M8	tightening torque	16 Nm

Thinly grease the wheel centering (1) in the wheel rim.

CONSUMABLE SPECIFICATION

Brake block paste *TU = Trade Unit. TU	3g, Bag	83192158851
numbers cannot be ordered! For invoicing purposes only.	100 g, Tube	83192158852
	5g, TU*	83230140233

Courtesy of BMW OF NORTH AMERICA, INC.

Coat the wheel hubs at the front and rear in area (1) with a thin layer of grease to protect them from corrosion,

CONSUMABLE SPECIFICATION

Brake block paste *TU = Trade Unit. TU	3g, Bag	83192158851
numbers cannot be ordered! For invoicing purposes only,	100 g, Tube	83192158852
	5g, TU*	83230140233

Courtesy of BMW OF NORTH AMERICA, INC.

Check

Check lug bolts for wear.

Courtesy of BMW OF NORTH AMERICA, INC.

Result

→ Spots (> 30%) of the bearing surface (1) of the taper on the screw head show silvery wear.

Measure

Replace lug bolts.

NOTE: TECHNICAL INFORMATION
Never use an impact screwdriver or electric screwdriver to apply and tighten the lug bolts.
The rim must rest evenly against the brake disc.
In the case of non-original BMW lug bolts/wheel rims, it may be necessary to retighten the lug bolts on user account of setting properties (refer to the documentation from the manufacturer).
Do not apply oil to new lug bolts.

Courtesy of BMW OF NORTH AMERICA, INC.

Clean the lug bolts (arrows).
Check the lug bolts (arrows) and threads for damage, replace lug bolts if necessary.
Replace the corroded lug bolts (arrows).
Screw in the lug bolts (arrows) crosswise by hand and hand-tighten to center the rim.
Use the torque wrench to tighten the lug bolts (arrow) crosswise.
Retighten all lug bolts (arrow) crosswise to check.

TIGHTENING TORQUES SPECIFICATION

Lug bolts
M14/SW17 Screw in wheel bolts and evenly tighten crosswise by hand in order to center the wheel rim. Tighten lug bolts to the prescribed tightening torque with a calibrated torque wrench in a crosswise sequence. Check all the lug bolts in the same order or retighten to the prescribed tightening torque again.	tightening torque	140 Nm
	Check	140 Nm

Follow-up work

Refer to RESETTING THE TIRE PRESSURE MONITOR .