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Home >> BMW >> 2021 >> Z4 sDrive30i >> Repair and Diagnosis >> General Information >> OEM General Information >> General Orphan Data (1 Of 2) >> (Install the front left and right wheels)

(Install the front left and right wheels)

NOTE: Perform the steps on the left and right side.
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.
G16620532Courtesy of BMW OF NORTH AMERICA, INC.
G16620533Courtesy of BMW OF NORTH AMERICA, INC.
(TIGHTENING TORQUES SPECIFICATION)

Brake disc to front wheel hub 
M8 Tightening torque  16 Nm
G16620534Courtesy of BMW OF NORTH AMERICA, INC.
(TIGHTENING TORQUES SPECIFICATION)

Brake disc to rear wheel hub 
M8 Tightening torque  16 Nm
NOTE: TECHNICAL INFORMATION 
Do not  grease wheel hubs and the wheel centering in G80, G81, G82, G83 and G87 models.
(CONSUMABLE SPECIFICATION)

Brake block paste 
* TU = Trade Unit. TU numbers cannot be ordered! For invoicing purposes only.
3 g, Bag 83192158851
100 g, Tube 83192158852
5 g, TU* 83230140233
G16620535Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
Do not  grease wheel hubs and the wheel centering in G80, G81, G82, G83 and G87 models.
G16620536Courtesy of BMW OF NORTH AMERICA, INC.
(CONSUMABLE SPECIFICATION)

Brake block paste 
* TU = Trade Unit. TU numbers cannot be ordered! For invoicing purposes only.
3 g, Bag 83192158851
100 g, Tube 83192158852
5 g, TU* 83230140233
NOTE: TECHNICAL INFORMATION 
A wheel lifter is recommended for easier wheel removal and installation without applying force.
G16620537Courtesy of BMW OF NORTH AMERICA, INC.

Check 

G16620538Courtesy 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

NOTE: TECHNICAL INFORMATION 
Never use an impact screwdriver or electric screwdriver to apply and tighten the lug bolts.
The rim must rest uniformly against the brake disk.
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.
Recutting a damaged thread (wheel bolt/wheel hub) is not permissible!
G16620539Courtesy of BMW OF NORTH AMERICA, INC.
(TIGHTENING TORQUES SPECIFICATION)

Wheel bolts 
M14/SW17
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