36 12 005 Replacing a runflat tire or a UHP tire: Notes

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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 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.

After completion of work, BALANCE WHEELS .

IMPORTANT: Only fitting machines which are approved for fitting runflat and UHP tires may be used!

Please refer to the operating instructions of the respective fitting machine for details of the exact fitting procedure.

Use only BMW-approved plastic-covered tire irons.

Use only BMW-approved tire mounting paste.

NOTE: Pay attention to different tire markings:

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

Fig 1: Identifying Markings On Tyre

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Many tires are directional!

The arrow on the tire must point in the "Forward" direction of rotation!

IMPORTANT: Before removal:

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

Removal upper bead:

Unseat bead if possible with unseating roller (1) from rim flange.

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.

Fig 2: Removing Tyre Upper Bead Using Pressing-Off Tool Or Unseating Roller

Courtesy of BMW OF NORTH AMERICA, INC.

Start at 90° or 270°.

Do not position at 0° or 180°.

Apply sufficient antiseize compound as deeply as possible between rim and tire.

Fig 3: Applying Antiseize Compound Between Rim And Tyre

Courtesy of BMW OF NORTH AMERICA, INC.

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

Position holding-down element at 0° to hold tire in well.

Position tire iron (3) on fitting head.

Fig 4: Positioning Fitting Head

Courtesy of BMW OF NORTH AMERICA, INC.

Lever bead with tire iron (1) over rim flange.

IMPORTANT: Avoid damaging the rim by using a suitable tire iron with protective coating.

Make sure there is sufficient lubrication between bead and rim flange; apply antiseize compound if necessary.

Fig 5: Levering Tyre Bead Using Tyre Iron

Courtesy of BMW OF NORTH AMERICA, INC.

Allow fitting machine to rotate slowly and relieve tension on holding-down element and rollers during rotation.

Removal lower tire bead:

IMPORTANT: Apply sufficient antiseize compound between rim and tire.

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

Position tire iron (3) on fitting head (1).

Fig 6: Positioning Fitting Head

Courtesy of BMW OF NORTH AMERICA, INC.

Tyre bead must be positioned entirely in well opposite fitting head (1).

Lever bead with tire iron (1) over rim flange.

IMPORTANT: Avoid damaging the rim by using a suitable tire iron with protective coating.

Allow fitting machine to rotate slowly.

Fig 7: Levering Tyre Bead Using Tyre Iron

Courtesy of BMW OF NORTH AMERICA, INC.