Very few peope fit BMW spec tyres as they are different to the ones you buy on the shelf at tyre dealers. BMW's shod with Michelin PS4s for example are actually fitted with the PS4s* the compounds, especially on M cars are very diferent to the PS4s you buy off the shelf. Some good videos on the subject on the old you tube - or at least their used to be....sars said:
Mixing runflats with non runflats?
- Thread starter jamesgarbett
- Start date
That was the crux of the argument, unless you purchase star marked tyres you are moving away from recommended, which I bet 95% of people on here do and do so without worry. And then some will fit different size tyres to make it "better" yet mixing run flats and non run flats should be illegal because it's so stupid to do, such irrational hokum :headbang:mcbutler said:
At the end of the day, your car, fit what you want at your own risk, as ignorance is not a legal defense.
jamesgarbett said:
When I bought my Z, the previous owner had mixed RFT AND non-RFTs, and all different brands and it drove like a drunk pig. Awful awful idea to mix tyres, not to mention dangerous as others have pointed out. Match them all and feel the difference.
Another tyre thread with another multitude of differing opinions (no hard facts only opinions).
I don't have a problem with opinions BTW but I hate tyre threads as they always just become noise after a while.
The fact that it is not illegal to mix tyre makes or types on all four wheels in the UK must say something. Or do we think the DOT is trying to kill a few of us off to help the burden on the NHS?
I wouldn't do it BTW but someone somewhere must have deemed it OK otherwise it would have been banned.
Purely my opinion!
I don't have a problem with opinions BTW but I hate tyre threads as they always just become noise after a while.
The fact that it is not illegal to mix tyre makes or types on all four wheels in the UK must say something. Or do we think the DOT is trying to kill a few of us off to help the burden on the NHS?
I wouldn't do it BTW but someone somewhere must have deemed it OK otherwise it would have been banned.
Purely my opinion!
Pondrew said:Another tyre thread with another multitude of differing opinions (no hard facts only opinions).
I don't have a problem with opinions BTW but I hate tyre threads as they always just become noise after a while.
The fact that it is not illegal to mix tyre makes or types on all four wheels in the UK must say something. Or do we think the DOT is trying to kill a few of us off to help the burden on the NHS?
I wouldn't do it BTW but someone somewhere must have deemed it OK otherwise it would have been banned.
Purely my opinion!
You are simply wrong..
A sample trawl from Bridgestone, Michelin and Conti state that you ‘never’ or ‘not’ ever mix runflats with non runflats..
Legally in the event of a civil court case that would be sufficient to win a case, failing to adhere to the tyre manufacturer’s recommendations is always a trump card…as stated some countries have made these statements criminal law indictable…UK has chosen not to do that..
Attachments
Why are we even debating this? The answer is obviously no. If you're searching for a "yes" in spite of all the recommendations and warnings, then there's no amount of discussion that will satisfy you.
https://www.gov.uk/guidance/mot-ins...-vehicles/5-axles-wheels-tyres-and-suspension
DVLA MOT rules permit mixing RTF & Non-RTF but recommend that you don't. That means it's not a good idea, for all the reasons already mentioned. If the DVLA and Tyre manufacturers tell you it's not recommended, then that should be all you need to know. I would say that you can mix at your own risk, but it's not just you that you're risking.
Bite the bullet and ditch all 4 at once. You'll never need to do that again once you have. Otherwise you'll constantly be chasing that moment when all 4 have worn down the exact same amount and it'll never happen.
https://www.gov.uk/guidance/mot-ins...-vehicles/5-axles-wheels-tyres-and-suspension
DVLA MOT rules permit mixing RTF & Non-RTF but recommend that you don't. That means it's not a good idea, for all the reasons already mentioned. If the DVLA and Tyre manufacturers tell you it's not recommended, then that should be all you need to know. I would say that you can mix at your own risk, but it's not just you that you're risking.
Bite the bullet and ditch all 4 at once. You'll never need to do that again once you have. Otherwise you'll constantly be chasing that moment when all 4 have worn down the exact same amount and it'll never happen.
The roadster I just bought had MOT advisory front Bridgestones and okay condition rear RFTs. Getting them all swapped out for Goodyear Assy5’s. The car needs to be safe and essentially have decent handling. For my money, the best way to go is swap them all out.
The Bridgestone's have pretty poor reviews anyway.
The Bridgestone's have pretty poor reviews anyway.
I don't remember any insurance company asking what make of tyre are on each corner of my car, ever.Nanu said:
As long as it's legal insurance companies don't get a say in it.
I have never, ever heard of anyone blaming an accident on tyre make or type. If that was the case and could be proven, the tyre manufacturer would have to pay, and if was common we would have heard about it by now.
I remember having an issue with Audi 15 years ago when my leased A6 went back. They said they were going to charge me for four new tyres as the ones that were fitted were not OEM. I put cheap tyres on to make it legal to send it back.
I questioned whether this was right. Turns out they were talking bollox and didn't have a leg to stand on, legally. They credited the invoice!
I questioned whether this was right. Turns out they were talking bollox and didn't have a leg to stand on, legally. They credited the invoice!
Pondrew said:
If it isn't illegal the insurance company has no grounds to deny a claim.
When I started working for an insurance company in 1977 they had a multiple fatality claim still ongoing where they made a successful claim against Dunlop for a defective remould tyre - but I've never heard of anything similar since.
Weirdly I had a brief fling in 1999 with a lady whose nephew was one of the victims.
