Why is my F40 M135ix Tramling and Wearing it's tyres out?

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Manufactured from 2019

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markm240i
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by markm240i »

Of course the fronts will wear faster - it's FWD for the majority of driving.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Carlosfandang0 »

markm240i wrote: Tue Sep 14, 2021 10:52 am Of course the fronts will wear faster - it's FWD for the majority of driving.
The 235/35/19 bridgestones are wearing silly fast though (4500 miles) and extremely unevenly, I have a case open with BMW In which BS have told the dealership that they are too soft for the M135i set up, BMW AG and Bridgestone are currently investigating this issue and have already conceded they had a very similar issue on the new 8 series.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by markm240i »

Carlosfandang0 wrote: Tue Sep 14, 2021 6:28 pm
markm240i wrote: Tue Sep 14, 2021 10:52 am Of course the fronts will wear faster - it's FWD for the majority of driving.
The 235/35/19 bridgestones are wearing silly fast though (4500 miles) and extremely unevenly, I have a case open with BMW In which BS have told the dealership that they are too soft for the M135i set up, BMW AG and Bridgestone are currently investigating this issue and have already conceded they had a very similar issue on the new 8 series.
My comment was made about the fronts wearing faster than the rears. It would be strange if they didn't on the F40 M135i.

The front Continental Sport Contact 6 tyres on my FK8 Type R were shot at 5k!

Good luck with your case - it does seem the BS isn't well suited to the 135.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Origin_Unknown »

markm240i wrote: Tue Sep 14, 2021 10:52 am Of course the fronts will wear faster - it's FWD for the majority of driving.
Obviously but I don't expect to see significant wear by the 6500/7000 mile mark
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Daz4065 »

markm240i wrote: Tue Sep 14, 2021 7:12 pm
Carlosfandang0 wrote: Tue Sep 14, 2021 6:28 pm
markm240i wrote: Tue Sep 14, 2021 10:52 am Of course the fronts will wear faster - it's FWD for the majority of driving.
The 235/35/19 bridgestones are wearing silly fast though (4500 miles) and extremely unevenly, I have a case open with BMW In which BS have told the dealership that they are too soft for the M135i set up, BMW AG and Bridgestone are currently investigating this issue and have already conceded they had a very similar issue on the new 8 series.
My comment was made about the fronts wearing faster than the rears. It would be strange if they didn't on the F40 M135i.

The front Continental Sport Contact 6 tyres on my FK8 Type R were shot at 5k!

Good luck with your case - it does seem the BS isn't well suited to the 135.
It’s not a problem that the fronts are wearing, this is normal wear and tear. The problem is that the Bridgestones seem to be wearing particularly in the middle with the shoulders being perfectly fine. This indicates that the tyres (specifically fronts) are over inflated with a side effect of compromised handling/tram lining.

I believe that is the issue and if Bridgestone have indicated over inflation (for that particular model of tyre), paired with ridiculous tyre pressures from BMW then there seems to be an issue that needs resolved.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by active_ti »

Interestingly i had something similar with the tyre wear on my F31 335d xDrive Touring. The front tyres on the 335d were the same size & make as what was on my current F45 220i - Bridgestone Potenza run-flats 225/45 R18 - yet on the 335d they lasted no more than 10k miles compared with 21k on the 220i with the same daily journeys. Even at the time when i replaced them it seemed like i had them for such a short time for a rear-biased AWD system and the fitter said it was due to the weight of the car up-front. But perhaps the tyres aren't suited well to xDrive?

I had the Bridgestones replaced with Continental ContiSportContacts run-flats on the 220i. i noticed that the profile of the tyre seemed slightly more rounder then the squarer BS and when driving they were quieter, seemingly more pliant and less tramlining.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Daz4065 »

Just had my car through to the dealers - same issues with the Bridgestone 19" on the F40 M135i. Wearing in the centre and hardly at all on the shoulders. Service guy admitted that it looks like over-inflation but until BMW have centrally completed a full "investigation" there was nothing that they could do about it.

So, my dealer has raised the apparent fault and BMW have replied to say that they are aware of the issue but a resolution remains based on the outcome of their query with Bridgestone.

Meanwhile, back in the land of people who buy a car to daily, I have to replace my front tyres. This will not be Bridgestone, therefore I am left carrying the can for a full set of tyres that have to be * marked in order to keep the warranty on the Xdrive system.

I have exhausted the argument that the fronts and rears are so far apart in wear that they constitute the equivalent of totally different tyres on the car (my rear tyres have very little wear at all).

Like is this for real??

I can only encourage everyone who has the Bridgestone's on the 19" to report uneven tyre wear to the dealer as this should, for want of a better way of putting it, gain additional traction :lol:
F40 M135i Storm Bay, F31 335d back to trade, E92 335i and too many other BMWs
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Ajm »

Daz4065 wrote: Tue Sep 21, 2021 5:42 pm Just had my car through to the dealers - same issues with the Bridgestone 19" on the F40 M135i. Wearing in the centre and hardly at all on the shoulders. Service guy admitted that it looks like over-inflation but until BMW have centrally completed a full "investigation" there was nothing that they could do about it.

So, my dealer has raised the apparent fault and BMW have replied to say that they are aware of the issue but a resolution remains based on the outcome of their query with Bridgestone.

Meanwhile, back in the land of people who buy a car to daily, I have to replace my front tyres. This will not be Bridgestone, therefore I am left carrying the can for a full set of tyres that have to be * marked in order to keep the warranty on the Xdrive system.

I have exhausted the argument that the fronts and rears are so far apart in wear that they constitute the equivalent of totally different tyres on the car (my rear tyres have very little wear at all).

Like is this for real??

I can only encourage everyone who has the Bridgestone's on the 19" to report uneven tyre wear to the dealer as this should, for want of a better way of putting it, gain additional traction :lol:
Or just reduce the tyre pressures at the front & they’re fine.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Daz4065 »

I did - from 3000 miles. Still done in…
F40 M135i Storm Bay, F31 335d back to trade, E92 335i and too many other BMWs
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by SilverSport »

I reduced the pressures on mine all round, I can’t remember what to but they don’t seem to be wearing too badly in the middle - if anything, the shoulders on the fronts are starting to wear.

Still not too pleased about buying star marked tyres though, I’ve always been a Michelin man and it is frustrating that I can’t get PS4 or PS4S for the 19” star marked.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Daz4065 »

I might risk it because the Continental and Pirelli options seem to wear quickly anyways. I know some have put the PS4s on but haven’t heard if this has worked.

Quite frustrating, when I consider that Bridgestone/Conti/Pirelli these tyres are apparently to BMW’s high specification.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Carlosfandang0 »

Daz4065 wrote: Wed Sep 22, 2021 5:32 pm I might risk it because the Continental and Pirelli options seem to wear quickly anyways. I know some have put the PS4s on but haven’t heard if this has worked.

Quite frustrating, when I consider that Bridgestone/Conti/Pirelli these tyres are apparently to BMW’s high specification.
I replaced the BS with Pirelli Pzero PZ4 *marked, covered 5200 miles and they have worn extremely evenly, I measured them at 6.7mm when new, they are now at 5mm across the tyre, cold pressures have been at 36psi front and 33psi rear since fitting, great in wet and dry with less noise and no tram lining at all.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by mrbeck »

I’ve got 13k on the clock now, and my Conti Premium Contact 19”s have worn well… still have 4mm on the fronts & 5.5mm on the rears. Even wear across the tyre too.
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Daz4065 »

Thanks guys, this is good to know and will help in my choice of tyre as I am forced to change now. I don’t want to waste unnecessary money on a tyre that won’t live up to expectations.

Has anyone gone for unstarred MP4s?
F40 M135i Storm Bay, F31 335d back to trade, E92 335i and too many other BMWs
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Re: Why is my F40 M135ix Tramling and Wearing it's tyres out?

Post by Ajm »

You can also get the Continental SportContact 6 in a 235/35/19 star marked tyre now. I don’t know if anyone has fitted it yet?

https://www.kwik-fit.com/tyres/search/d ... 6/T1024409
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