BMW - runflats front, normal rear?

BMW - runflats front, normal rear?

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Recalcitrant

Original Poster:

41 posts

25 months

Thursday 11th January
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A while ago I bought a fairly new BMW 5 Series from a main dealer. Approved Used etc. It needed a pair of new rear tyres for the prep but that was about it.

It had Michelin Pilot Sport 3 ZP runflats all round. They are still on the front with plenty of tread left.

On the rear, the main dealer had fitted new Pilot Sport 4S MO (not *) non runflat tyres (they have a Mercedes dealer next door, same company). Now obviously on the one hand these are great tyres and will do the job nicely, but I think they had a pair that fit at Merc next door and fitted them instead of ordering some proper BMW ones in. They are 20's and a fairly unusual size.

This is not something I would do myself, but actually, driving around, it seems absolutely fine and the ride and handling seem well settled. When the fronts are a bit lower I will likely match them all up so it's PS4S all round.

I decided against making a fuss about it at the time as I needed the car sorting there and then, and they were very good with everything else. Plus, these are £350/each tyres so they've hardly tried to pull a fast one - but it's certainly an unusual thing to do...

Before this, I'd have said it's a big no-no, but really it does seem fine. Anyone else had a similar experience?

Recalcitrant

Original Poster:

41 posts

25 months

Monday 11th March
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No other experiences of this? I have to say it drives absolutely fine, difficult to justify £500~ swapping the front tyres early...

Maxdecel

1,224 posts

33 months

Monday 11th March
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Assume they provided a spare wheel etc. then ?

Recalcitrant

Original Poster:

41 posts

25 months

Monday 11th March
quotequote all
Maxdecel said:
Assume they provided a spare wheel etc. then ?
The official BMW mobility kit was in the boot, yes. They don't tend to do spare wheels these days.

Maxdecel

1,224 posts

33 months

Monday 11th March
quotequote all
Recalcitrant said:
The official BMW mobility kit was in the boot, yes. They don't tend to do spare wheels these days.
Good, no one had given it a thought in one I came across with replacement conventional tyres. Couldn't believe the difference in ride/handling when correct tyres were fitted.