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Tyre Sizes On A 1 Series

kingtiger
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kingtiger Newbie

kingtiger

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Any member out there be able to me with this one? I have recently become the owner of a 2006, 1 series 118 d M sport. The car is fitted with non run flat tyres (which I am pretty happy about). There are 205/50/R17 93 W tyres on the front, and 225/45/R17 92 W tyres on the back. I was wondering if this was correct? My local BMW service department stated it was but I'm not convinced.

I think that if I changed to 50 profiles on the rear, it may improve the ride quality a tad, which I feel slightly harsh at the rear at present. Also can anyone confirm if the rim size's are different as standard on the car? Is that the reason for the 205's front and 225's rear?

Finally, What are the correct tyre pressures? The tyres I have don't seem to correspond with the tyres listed on BMW'S label inside the drivers door, not the 92 W/93 W bits anyway!

Sorry for so many questions, but looking forward to any advice, thanks.

Guest Mister Dabsy

Guest Mister Dabsy

Posted
Posted

IMHO Run flats are more trouble than they're worth, cost wise.

As for tyre pressures on 50 profile - 32 to 40 lbs is fine, just keep them equal.

HTH

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