Attaching the front left wheel
- Mounting the wheel
- Clean the contact surfaces between the brake disc and the wheel rim
NOTE:
TECHNICAL INFORMATION
Contact surface between brake disk and rim must be clean and free from oil and grease. Otherwise there is a risk of the wheel coming loose at a later stage.
Contact surface between brake disk and rim must be clean and free from oil and grease. Otherwise there is a risk of the wheel coming loose at a later stage.
- 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 applicable 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 applicable BMW Group Parts Catalog).
- Check if the mounting bolt (1) has been fitted correctly for the brake disk.
The mounting bolt (1) for the brake disk cannot protrude on the contact surface (2) between the brake disk and the rim.
TIGHTENING TORQUE SPECIFICATIONSBrake disc to front wheel hub M8 Tightening torque 16 Nm TIGHTENING TORQUE SPECIFICATIONSBrake disc to rear wheel hub M8 Tightening torque 16 Nm - Lightly grease the wheel centering (1) in the rim.CONSUMABLE SPECIFICATION
Brake block paste
*TU = Trade Unit. TU
numbers cannot be ordered! For invoicing purposes only.3g, Bag 83192158851 100 g, Tube 83192158852 5g, TU* 83230140233 - Lightly grease the front and rear wheel hubs in the area (1) for protection against corrosion.CONSUMABLE SPECIFICATION
Brake block paste
*TU = Trade Unit. TU
numbers cannot be ordered! For invoicing purposes only.3g, Bag 83192158851 100 g, Tube 83192158852 5g, TU* 83230140233 - In vehicles with M Carbon ceramic brake: The wheel assembly jack must be used to install the wheel (see applicable BMW Workshop Equipment Catalog).
This process is intended to prevent damage to the brake disc.
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 wheel bolts.NOTE: TECHNICAL INFORMATION
A wheel lifter is recommended for easier wheel removal and installation without exertion (see applicable Dealer Equipment Catalog).NOTE: TECHNICAL INFORMATION
Never use impact wrenches or electric screwdrivers to screw in and tighten the wheel bolts.
The rim must lie evenly against the brake disk.
In the case of non-original BMW wheel bolts/rims, it may be necessary to retighten the wheel bolts due to setting behavior (observe the manufacturer's documentation).
New wheel bolts must not be used.
Recutting a damaged thread (wheel bolt/wheel hub) is not permitted! - Replace the corroded lug bolts (arrows).
- Clean the lug bolts (arrows).
- Check lug bolts (arrows) and threads for damage, replace lug bolts (arrows) if necessary.
- Join and tighten the wheel bolts (arrows).TIGHTENING TORQUE SPECIFICATIONS
Wheel bolts M 14/key range 17
Screw in the lug bolts and evenly tighten crosswise by hand in order 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 specified tightening torque.Tightening torque 140 Nm Check 140 Nm
Follow-up work