BMW E87 2009 Owner's Handbook Manual page 186

Recommended makes of tyre
Certain makes of tyre are recommended by
BMW for each tyre size. They are marked with a
clearly visible BMW designation on the sidewall
of the tyre.
When properly used, these tyres meet the high-
est standards in terms of safety and handling
characteristics.
Run-flat tyres*
When fitting new tyres or changing over from
summer to winter tyres or vice versa, fit run-flat
tyres for your own safety. In the event of a flat,
no spare wheel is available. BMW Service will be
glad to advise you on this.
Special characteristics of winter tyres
BMW recommends winter tyres for operation
on winter roads or at temperatures below +76/
457. Although all-season tyres with an M+S
marking have better winter characteristics than
summer tyres, they do not normally match the
performance of winter tyres.
Note the speed limit applicable to these
tyres
Always comply with the speed limit for the
winter tyres fitted to your car; failure to do
so could result in tyre damage and
If the car is capable of speeds higher than that
permitted for the winter tyres, a label stating the
maximum permitted speed for the tyres fitted
must be displayed in your field of view. Special-
ist tyre dealers and BMW Service can supply
these labels.
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Tyre storage
Store wheels and tyres in a cool, dry and prefer-
ably dark place when not in use. Protect tyres
against contamination from oil, grease and fuel.
Tyre rotation between axles
Even with tyres of the same size, BMW recom-
mends that you do not rotate the front and rear
wheels by swapping over in either direction, as
this may impair handling characteristics. With
mixed tyre sizes, swapping over between the
axles is not permitted.
Snow chains*
Only certain fine-link snow chains have been
tested by BMW, classified as safe for use and
recommended. BMW Service is able to provide
details. Fit snow chains in pairs and only to the
rear wheels. When fitting, comply with the snow
chain manufacturer's instructions. When snow
chains are in use, do not exceed 50 km/h or
30 mph.
Do not initialise the Run Flat Indicator if
snow chains are fitted, as the instrument
might issue an incorrect reading.
When driving with snow chains, you may find it
helpful to activate DTC temporarily, see
page 72.<
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