Wheels: Service and Repair
36 10 300 Removing or installing front or rear wheelSpecial tools required:
Important!
Wheel was balanced electronically.
Observe the following in order to avoid positioning errors and imbalance:
- Loosen wheel bolts.
- Wheel positioned with valve facing down.
- If several wheels are simultaneously removed, mark installation location of wheels on tyres (e.g. with a piece of chalk).
- Mark out wheel to wheel hub.
- Mark out lockable wheel bolt in relation to wheel.
- Release wheel bolts and remove wheel.
Important!
contact surfaces between brake disc and disc wheel and between brake disc and wheel hub must be free of grease.
Follow instructions on initialising Run Flat Indicator (RPA).
When fitting all four wheels (e.g. when changing from summer to winter wheels), check the tyre inflation pressure.
To avoid tyre damage, advise the customer to check the tyre inflation pressures on a regular basis (see Owner's Handbook).
Remove dirt, grease residues and corrosion from contact surface (1) with a drill and special tool 36 1 250.
Important!
Do not operate special tool 36 1 250 with an impact screwdriver!
Note:
Degrease contact face with universal cleaner, refer to BMW Parts Department.
Note:
If there are grease residues in the area of the wheel bolt bore, the brake disc must be removed and cleaned.
Remove dirt, grease residues and corrosion from contact surface (1) with a drill and special tool 36 1 250.
Important!
Do not operate special tool 36 1 250 with an impact screwdriver!
Note:
Degrease contact face with universal cleaner, refer to BMW Parts Department.
Check brake disc retaining bolt (1) for secure seating.
Important!
Brake disc retaining bolt must under no circumstances protrude over contact surface (2) between brake disc and disc wheel.
Tightening torque, brake disc retaining screw,
Front axle, 34 11 1AZ.
Rear axle 34 21 1AZ.
Apply a thin coat of grease to wheel centering (1) in disc wheel.
Wheel bolts with taper:
a) Wheel bolt - galvanised
b) Wheel bolt - black chrome plated
c) Wheel bolt - black chrome plated and lockable
d) Lockable wheel bolt with adapter, black chrome-plated
Note:
To release and tighten down lockable wheel bolt, use a matching adapter from special tool 36 1 300 (wheel bolt adapter set).
Clean wheel bolts and check threads for damage, replace, if necessary.
Replace rusty wheel bolts.
Important!
Do not apply oil to wheel bolts.
Important!
Under no circumstances use pneumatic or power screwdrivers to install and tighten the wheel bolts.
Important!
Disc wheel must rest uniformly against brake disc.
In the case of non-original BMW wheel bolts/rims it may be necessary to retighten the wheel bolts on account of settling properties (refer to manufacturer's documents).
Screw in wheel bolts and, to centre disc wheel, tighten down by hand diagonally and evenly.
Using torque wrench, firmly tighten wheel bolts in diagonal and even sequence.
Tightening torque 36 10 1AZ.