Goodyear Eagle F1 GS D3 wear problems
02-20-2009, 10:59 AM
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the tyre pressures on the inside of drivers door refers to manufacurers origional fitment
which when new would be runflats which run at a higher pressure than normal tyres
because of the strength of the sidewalls that is why you are getting wear down the centre of the tyre
if runflats are replaced with normal tyres the pressures should be reduced accordingly your tyre fitter
should be able to recomend pressures for different manufacturers and sizes
which when new would be runflats which run at a higher pressure than normal tyres
because of the strength of the sidewalls that is why you are getting wear down the centre of the tyre
if runflats are replaced with normal tyres the pressures should be reduced accordingly your tyre fitter
should be able to recomend pressures for different manufacturers and sizes
02-20-2009, 11:04 AM
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Originally Posted by hey3688' post='797798' date='Feb 20 2009, 02:59 PM
the tyre pressures on the inside of drivers door refers to manufacurers origional fitment
which when new would be runflats which run at a higher pressure than normal tyres
because of the strength of the sidewalls that is why you are getting wear down the centre of the tyre
if runflats are replaced with normal tyres the pressures should be reduced accordingly your tyre fitter
should be able to recomend pressures for different manufacturers and sizes
which when new would be runflats which run at a higher pressure than normal tyres
because of the strength of the sidewalls that is why you are getting wear down the centre of the tyre
if runflats are replaced with normal tyres the pressures should be reduced accordingly your tyre fitter
should be able to recomend pressures for different manufacturers and sizes
That is actually opposite of what the case is. Bmw tire pressure recomendations on their cars with run-flats is a lower pressure than what a car with normal tires would need. For one, run-flats have inherently stiff sidewalls that is completely independant of tire pressure so no increased pressure is needed to have stiff sidewalls for better performance/cornering. Second the run-flats due to that stiffness tends to have a harsh ride and this is why a lower pressure needs to be used to somewhat compensate for that. So if you go to non run-flats a pressure closer to 36/40 (front/rear) is about right.
02-20-2009, 11:21 AM
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Originally Posted by 545OH' post='797800' date='Feb 20 2009, 03:04 PM
That is actually opposite of what the case is. Bmw tire pressure recomendations on their cars with run-flats is a lower pressure than what a car with normal tires would need. For one, run-flats have inherently stiff sidewalls that is completely independant of tire pressure so no increased pressure is needed to have stiff sidewalls for better performance/cornering. Second the run-flats due to that stiffness tends to have a harsh ride and this is why a lower pressure needs to be used to somewhat compensate for that. So if you go to non run-flats a pressure closer to 36/40 (front/rear) is about right.
02-20-2009, 06:11 PM
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I don't get 15k from my tires and they wear pretty even edge to center. Maybe BMW figures their cars will be driven hard through turns, which I do, so they overcompensate with a higher tire pressure.
02-20-2009, 06:12 PM
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Bad struts can cause cupping or outside or inside edge wear but I don't think purely center wear.
02-20-2009, 06:19 PM
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Almost anywhere you look, including Goodyear's own website, will tell you that the primary cause of premature or excessive center wear on a tire is over-inflation. There are very few other likely culprits. Are you absolutely sure the tires were inflated correctly? It really is the most likely cause. Unless of course you're driving along railway tracks all day...!
FWIW I had the GS-D3 on my 545 and my 550, it really is a great tire. Utterly immune to tramlining, great grip in the dry and incredible in the wet.
FWIW I had the GS-D3 on my 545 and my 550, it really is a great tire. Utterly immune to tramlining, great grip in the dry and incredible in the wet.
02-20-2009, 08:26 PM
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Originally Posted by swajames' post='798077' date='Feb 20 2009, 10:19 PM
Almost anywhere you look, including Goodyear's own website, will tell you that the primary cause of premature or excessive center wear on a tire is over-inflation. There are very few other likely culprits. Are you absolutely sure the tires were inflated correctly? It really is the most likely cause. Unless of course you're driving along railway tracks all day...!
FWIW I had the GS-D3 on my 545 and my 550, it really is a great tire. Utterly immune to tramlining, great grip in the dry and incredible in the wet.
FWIW I had the GS-D3 on my 545 and my 550, it really is a great tire. Utterly immune to tramlining, great grip in the dry and incredible in the wet.
+1
Be sure to use a quality pressure gauge, and only check pressures when the tires are cold to get a proper reading
.I have 11k miles on mine and should get at least 11k more. Correct pressure is critical though, it takes very little time to ruin a set if they're over inflated.
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