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Accelera Tyres?

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X5Nelz
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Accelera Tyres?

Post by X5Nelz » Thu Dec 07, 2017 8:55 pm

I picked up some non runflats the other day to try out , The fronts are Pirellis but the rears are Accelera.

The garage I use said I should get rid as they cause problems with the Xdrive system, has anyone heard this before?

Horizon
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Re: Accelera Tyres?

Post by Horizon » Thu Dec 07, 2017 9:26 pm

Yes,  not just this make, but non star marked tyres, especially different makes  can wreck your transmission.
Loads and loads of posts on here relating to this problem
I bought mine with different tyres fitted and could feel it winding up the transmission.
Problems went away once I replaced the tyres .
I measured the rolling circumference of the tyres I removed and was shocked to see a 30 mm difference.
That's 30 mm for every revolution . Which is about 25 mts per mile.
Last edited by Horizon on Fri Dec 08, 2017 6:32 pm, edited 1 time in total.
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X5Nelz
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Re: Accelera Tyres?

Post by X5Nelz » Thu Dec 07, 2017 10:34 pm

Blimey, found some older posts on the subject and it looks like im going have to bite the bullet and get some new rubber.

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X5Sport
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Re: Accelera Tyres?

Post by X5Sport » Fri Dec 08, 2017 3:54 pm

Now you know why BMW means Breaks My Wallet........whoever designed the xDrive system to be so intolerant of tyres should be hanging their head in shame.  >:(
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X5Nelz
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Re: Accelera Tyres?

Post by X5Nelz » Fri Dec 08, 2017 4:55 pm

Well you learn something every day!  Ordered a set of Toyos, my tyre place said I would be fine with those. About £600 fitted

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Re: Accelera Tyres?

Post by X5Sport » Fri Dec 08, 2017 6:35 pm

Any tyre other than those with a ‘*’ mark run the risk of breaking the transmission.  Not guaranteed to do so, but.....
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