Attaching the front left wheel
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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.
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.
- 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 the contact surfaces with the universal cleaner (see BMW Group parts sales).
- In the event of grease residue in the area of the wheel bolt holes, remove and clean the brake disk.
- 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 the contact surfaces with the universal cleaner (see BMW Group parts sales).
- Check the mounting bolt for the brake disc (1)
for secure fit.
The mounting bolt for the brake disk (1) may not protrude on the contact surface (2) between the brake disc and the wheel rim.
Tightening torquesBrake disc to front wheel hub M8 tightening torque 16 Nm Tightening torquesBrake disc to rear wheel hub M8 tightening torque 16 Nm - Lightly grease the wheel centering (1)
in the wheel rim.
See GREASE FOR WHEEL-CENTERING SPIGOTS for further information on grease for the wheel centering.
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. - Replace corroded lug bolts.
- Clean the lug bolts and check the threads for damage, replace the lug bolts if necessary.
- Attach and tighten the lug bolts.
Tightening torques
| Lug bolts | ||
| M14/Key range 17 Screw in the lug bolts and tighten them crosswise and evenly by hand to center the 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 | |
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.
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.
- 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 the contact surfaces with the universal cleaner (see BMW Group Parts Catalog).
- 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 the contact surfaces with the universal cleaner (see BMW Group Parts Catalog).
- Check if the mounting bolt (1) for the brake disk has been fitted correctly.
The mounting bolt (1) for the brake disk cannot protrude on the contact surface (2) between the brake disk and the rim.
Tightening torquesBrake disc to front wheel hub M8 tightening torque 16 Nm Tightening torquesBrake disc to rear wheel hub M8 tightening torque 16 Nm - Lightly grease the wheel centering (1) in the rim.
See GREASE FOR WHEEL-CENTERING SPIGOTS for further information for grease for the wheel centering (1).
Check
- Check lug bolts for wear
.
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. - Replace the corroded lug bolts (arrows).
- Clean the lug bolts (arrows).
- Check the lug bolts (arrows) and threads for damage, replace lug bolts if necessary.
- Join and tighten the lug bolts (arrows).Tightening torques
Lug bolts M 14/Key range 17 Screw in the lug bolts and tighten them crosswise and evenly by hand to center the 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