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Home >> BMW >> 2021 >> 840i 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 190 (General Orphan Data (2 Of 2)) >> Installing the front right wheel

Installing the front right wheel

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Mounting the wheel 

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.
G16026929Courtesy of BMW OF NORTH AMERICA, INC.

Check 

G16026930Courtesy 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!
G16026931Courtesy 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