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How old is too old?

Alloy wheels and tyre discussion
HyperGrade
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How old is too old?

Post by HyperGrade » Wed Feb 21, 2018 2:53 pm

Quick question to get your thoughts on this one....

I drag out a set of winter wheels for my 3 Series every end of November/start of December (obviously weather dependent) and they’ve just gone away today.
I bought the set (wheels and tyres) second hand about 4 years ago, and that’s all the use I’ve had out of them. 9 months (ish) and I didn’t use them last year. Obviously I don’t know what they did before me.

What would you say is old for tyres that get very little use and have no obvious signs of aging, and loads of tread. (You can tell I don’t want to get rid based on age!) :rofl:

These are runflats, so even if they were to go on me, I’d be ok but it just got me thinking that I may be pushing the life span. :!:

Cheers!
2nd Z4, Auction find, 2007 3.0si Sport, 45k, Silver Grey, 224 Alloys. Retro Cruise :thumbsup:
Previous: 2003, 2.5i Sport, Sterling Grey (2006-2010)

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Ducklakeview
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How old is too old?

Post by Ducklakeview » Wed Feb 21, 2018 2:59 pm

What are the date codes on the tyres? 4 digit code on them..

Mike

HyperGrade
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How old is too old?

Post by HyperGrade » Wed Feb 21, 2018 3:01 pm

I’m not telling.....yet!
2nd Z4, Auction find, 2007 3.0si Sport, 45k, Silver Grey, 224 Alloys. Retro Cruise :thumbsup:
Previous: 2003, 2.5i Sport, Sterling Grey (2006-2010)

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Gaffa22
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How old is too old?

Post by Gaffa22 » Wed Feb 21, 2018 3:53 pm

7 years max from DOT date I have been told
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HyperGrade
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How old is too old?

Post by HyperGrade » Wed Feb 21, 2018 4:13 pm

Gaffa22 wrote: Wed Feb 21, 2018 3:53 pm 7 years max from DOT date I have been told
Isn't that for standard wheels though? Also if they've sat about dry in a garage though...no change?
2nd Z4, Auction find, 2007 3.0si Sport, 45k, Silver Grey, 224 Alloys. Retro Cruise :thumbsup:
Previous: 2003, 2.5i Sport, Sterling Grey (2006-2010)

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hopz121
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How old is too old?

Post by hopz121 » Wed Feb 21, 2018 4:48 pm

These are runflats, so even if they were to go on me, I’d be ok.

What do you mean by the above?

Runflats usually are worse at letting go than normal tyres.... blowouts on runflats are actually pretty common.

I'd go with 5 years max maybe 6 years at a push but not much more and they would have to be perfectly stored too.
2004 BMW E46 M3 Coupe - Manual - Silver Grey
2017 BMW F31 318d M-Sport - Auto - Glacier Silver
2007 Porsche Cayman 2.7 - Manual - Arctic Silver
2003 Renault Clio 172 Cup - Blue
2003 BMW E85 Z4 3.0i - Gone
2008 BMW E90 330i SE - Gone

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How old is too old?

Post by dhobbs » Wed Feb 21, 2018 5:00 pm

It's the UV light that degrades them, so if they've been stored inside then they can last longer.
Although if they are showing signs of cracking then probably time to replace.
3.0si roadster. Requisite stubby. Sound gen mod. LED numberplate lights. LED boot strip. Interior lights LED too. ZHP gearknob. Daily drive :driving:
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How old is too old?

Post by HyperGrade » Wed Feb 21, 2018 5:16 pm

hopz121 wrote: Wed Feb 21, 2018 4:48 pm These are runflats, so even if they were to go on me, I’d be ok.

What do you mean by the above?

Runflats usually are worse at letting go than normal tyres.... blowouts on runflats are actually pretty common.

I'd go with 5 years max maybe 6 years at a push but not much more and they would have to be perfectly stored too.
Well the thinking there is that you're most concerned about a blow out with older tyres, that can't happen with runflats, so you may have it give on you, but you could probably limp on to somewhere safe.
2nd Z4, Auction find, 2007 3.0si Sport, 45k, Silver Grey, 224 Alloys. Retro Cruise :thumbsup:
Previous: 2003, 2.5i Sport, Sterling Grey (2006-2010)

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How old is too old?

Post by HyperGrade » Wed Feb 21, 2018 5:16 pm

dhobbs wrote: Wed Feb 21, 2018 5:00 pm It's the UV light that degrades them, so if they've been stored inside then they can last longer.
Although if they are showing signs of cracking then probably time to replace.
Yeah, inside, in 'blankets'. Not quite F1 style, but the wrap and tie type.
There's no sign of any aging on them, not that I can see.
2nd Z4, Auction find, 2007 3.0si Sport, 45k, Silver Grey, 224 Alloys. Retro Cruise :thumbsup:
Previous: 2003, 2.5i Sport, Sterling Grey (2006-2010)

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How old is too old?

Post by Gaffa22 » Wed Feb 21, 2018 5:52 pm

I believe the rubber still degrades with time. Certainly UV light is a killer but even if dry and covered the rubber still degrades and goes hard.
2010 E89 35i DCT
2017 Honda CBR1000RR fireblade
2016 Honda VFR1200F
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How old is too old?

Post by HyperGrade » Wed Feb 21, 2018 5:55 pm

Gaffa22 wrote: Wed Feb 21, 2018 5:52 pm I believe the rubber still degrades with time. Certainly UV light is a killer but even if dry and covered the rubber still degrades and goes hard.
Hmmm. Maybe time to “retyre” them then. Will keep the year of manufacture to people’s imagination.
2nd Z4, Auction find, 2007 3.0si Sport, 45k, Silver Grey, 224 Alloys. Retro Cruise :thumbsup:
Previous: 2003, 2.5i Sport, Sterling Grey (2006-2010)

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How old is too old?

Post by Tyreman » Wed Feb 21, 2018 8:12 pm

Check for signs of age at five years and replacement at ten irrespective of condition, no laws as such but this is the recommendation from the NTDA :thumbsup:

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How old is too old?

Post by buzyg » Wed Feb 21, 2018 10:42 pm

If they look healthy, no cracking. Then they should be good for 7-8 years. Mrs G's cars do about 3 miles a day. We have had cracking, on a few tyres over the years.
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hopz121
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How old is too old?

Post by hopz121 » Thu Feb 22, 2018 9:39 am

HyperGrade wrote: Wed Feb 21, 2018 5:16 pm
hopz121 wrote: Wed Feb 21, 2018 4:48 pm These are runflats, so even if they were to go on me, I’d be ok.

What do you mean by the above?

Runflats usually are worse at letting go than normal tyres.... blowouts on runflats are actually pretty common.

I'd go with 5 years max maybe 6 years at a push but not much more and they would have to be perfectly stored too.
Well the thinking there is that you're most concerned about a blow out with older tyres, that can't happen with runflats, so you may have it give on you, but you could probably limp on to somewhere safe.
Blow outs can and do happen with Run Flats more so than premium normal tyres to be honest!
2004 BMW E46 M3 Coupe - Manual - Silver Grey
2017 BMW F31 318d M-Sport - Auto - Glacier Silver
2007 Porsche Cayman 2.7 - Manual - Arctic Silver
2003 Renault Clio 172 Cup - Blue
2003 BMW E85 Z4 3.0i - Gone
2008 BMW E90 330i SE - Gone

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How old is too old?

Post by HyperGrade » Thu Feb 22, 2018 12:09 pm

hopz121 wrote: Thu Feb 22, 2018 9:39 am
HyperGrade wrote: Wed Feb 21, 2018 5:16 pm
hopz121 wrote: Wed Feb 21, 2018 4:48 pm These are runflats, so even if they were to go on me, I’d be ok.

What do you mean by the above?

Runflats usually are worse at letting go than normal tyres.... blowouts on runflats are actually pretty common.

I'd go with 5 years max maybe 6 years at a push but not much more and they would have to be perfectly stored too.
Well the thinking there is that you're most concerned about a blow out with older tyres, that can't happen with runflats, so you may have it give on you, but you could probably limp on to somewhere safe.
Blow outs can and do happen with Run Flats more so than premium normal tyres to be honest!
Yeah but as mentioned above, a ‘blow out’ with runflats isn’t as journey ending, as with normal tyres.
2nd Z4, Auction find, 2007 3.0si Sport, 45k, Silver Grey, 224 Alloys. Retro Cruise :thumbsup:
Previous: 2003, 2.5i Sport, Sterling Grey (2006-2010)

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