36 12 005 Replacing a run-flat tire version or UHP tires: Notes

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: UHP tire = Ultra High Performance tire
UHP tires are tires with an aspect ratio (H:B) ≤ 45 % or tires with a speed index ≥ "V"

NOTE: Follow the tire fitting machine manufacturer's operating instructions.
It is absolutely essential to ensure that the equipment is in proper working condition and that there is no damage to the disc wheel and tire.
Balance WHEELS after completing work.

IMPORTANT: For installation and removal work on run-flat tires and/or on certified and approved installation equipment, the following successful training for the "Certified BMW tire fitter" is required! (See BMW training program)
Only approved and certified tire fitting machines may be used for installing run-flat tires and/or UHP tires!
Please refer to the operating instructions of the respective tire fitting machine for details of the exact fitting procedure.
Use only BMW-approved plastic-covered mounting levers!
Use only BMW-approved tire-fitting paste.

NOTE: Pay attention to different tire markings:

Position (1) Identification of BMW-approved tires. Ensure that only BMW-approved tires are fitted.
Item (2) RSC is the abbreviation for R un-flat S ystem C omponent (run-flat tires).
Item (3) Outside. The tire must be fitted so that the wording Outside is always situated on the outside of the rim.

IMPORTANT: Many tires are directional!
The arrow on the tire must point in the "Forward" direction of rotation!

Fig 1: Identifying Tyre Markings

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Before removal:

Observe tire temperature of min. +15 °C.
Clean wheel/tire unit
Remove valve insert (deflate tire)
Remove fitted balancing weights

Dismantling of top tire bead:

Press off tire bead from rim flange as much as possible with unseating roller (1).

Note position of sensor - do not unseat in this area!

If using a pressing-off tool (2), unseat 3 to 4 times around circumference max. 1 cm from rim flange.

Observe pressing-off/unseating limitation.

Start at 90° or 270°.

Fig 2: Removing Top Tyre Bead Using Pressing-Off Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Do not position at 0° or 180° (refer to Fig 4).

Apply sufficient LUBRICANT as deeply as possible between wheel rim and tire.

Fig 3: Applying Lubricant Between Wheel Rim And Tyre

Courtesy of BMW OF NORTH AMERICA, INC.

Position mounting head (1) in direction of rotation before valve (2).

Position hold-down device at 0° to stop tire in wheel drop center.

Position tire iron (3) on fitting head.

Fig 4: Identifying Mounting Head, Valve And Tyre Iron Positions

Courtesy of BMW OF NORTH AMERICA, INC.

Lever tire bead (1) over rim flange with mounting lever.

IMPORTANT: Avoid damaging the wheel rim by using a suitable mounting lever with protective coating.
Make sure there is sufficient lubrication between tire bead and rim flange, apply LUBRICANT if necessary!

Fig 5: Levering Tyre Bead Over Rim Flange Using Mounting Lever

Courtesy of BMW OF NORTH AMERICA, INC.

Allow tire fitting machine to rotate slowly, and relieve tension on hold-down device and rollers during rotation.

Dismantling of bottom tire bead:

IMPORTANT: Apply sufficient LUBRICANT between wheel rim and tire.

Position mounting head (1) in direction of rotation before sensor (2).

Position mounting lever (3) on mounting head (1).

Tyre bead must be positioned entirely in wheel drop center opposite mounting head (1).

Fig 6: Identifying Mounting Head, Sensor And Mounting Lever

Courtesy of BMW OF NORTH AMERICA, INC.

Lever tire bead (1) over rim flange with mounting lever.

IMPORTANT: Avoid damaging the wheel rim by using a suitable mounting lever with protective coating.

Allow fitting machine to rotate slowly.

Fig 7: Levering Tyre Bead Over Rim Flange Using Mounting Lever

Courtesy of BMW OF NORTH AMERICA, INC.