36 10 715 Checking rim for lateral and radial runout

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove WHEEL
Check WHEEL for lateral and radial runout
Remove TIRE from disc wheel
Remove dirt from rim well and rim flange

IMPORTANT: Disc wheels are not allowed to be repaired!

Mount disc wheel in balancing machine.

Fig 1: Identifying Disc Wheel On Wheel Balancing Machine

Courtesy of BMW OF NORTH AMERICA, INC.

Use suitable wheel centering element supplied with corresponding balancing machine.

Basic flange
Wheel centering element
Type flange
Clamping nut

Fig 2: Identifying Basic Flange, Wheel Centering Element, Type Flange, Clamping Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Place dial gauge sensor on rim shoulder.

Turn wheel by hand and measure max. RADIAL RUNOUT

Carry out measurement on both rim shoulder sides.

NOTE: Dial gauge must be vertical to rim shoulder.

Fig 3: Measuring Max. Radial Runout Using Dial Gauge

Courtesy of BMW OF NORTH AMERICA, INC.

Position sensor on rim flange.

Turn wheel by hand and measure max. LATERAL RUNOUT of rim with special tool 36 1 030 (measuring fixture).

Carry out measurement on both rim flanges.

NOTE: Dial gauge must be vertical to rim flange.

Fig 4: Measuring Max. Lateral Runout Using Dial Gauge

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Avoid transformation errors during subsequent installation tasks.