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#1
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Is it just BMW that does not recommend tire rotation?
Do any other manufacturers other than BMW not recommend tire rotation?
>From the BMW shop manual: Tire rotation The tread wear patterns at the front end differ from those at the rear - the actual patterns will vary according to individual driving conditions. In the interests of safety and maintaining optimal handling characteristics, BMW does not recommend tire rotation. If a proposed interaxle rotation of tires is based on economic considerations, one should consider whether the costs for the rotation are likely to be recaptured by any increase in the service life of the tires that might be realized. In principle, interaxle rotation must be performed in short intervals, with a maximum of 3,000 miles (5,000 km). Consult your BMW center for more information. Should you decide to rotate the tires, it is essential to comply with the following: Rotate tires on the same side only, since braking characteristics and road grip could otherwise be adversely affected. Following rotation, the tire inflation pressure should always be corrected. If different tire sizes are mounted on the front and rear axles (refer to page 130), the wheels may not be rotated from one axle to the other. http://www.bimmerfest.com/forums/showthread.php?t=55120 http://www.bimmerfest.com/forums/showthread.php?t=36893 http://www.bimmerfest.com/forums/showthread.php?t=69037 |
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#2
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Shaft Drive wrote: > Do any other manufacturers other than BMW not recommend tire rotation? The info you provided sounds like they might be referring to purpose-built front and rear tires of the same size. Some high-end BMWs have larger tires on the rear axle. Pirelli's PZero system includes a directional tire for the front, and an asymmetric tire for the rear. I believe they're optimized for RWD cars. <http://www.tirerack.com/tires/tires.jsp?tireMake=Pirelli&tireModel=PZero+System+ Direzionale> |
#3
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"y_p_w" > wrote
> Shaft Drive wrote: >> Do any other manufacturers other than BMW not recommend tire rotation? > > The info you provided sounds like they might be referring to > purpose-built front and rear tires of the same size. Some > high-end BMWs have larger tires on the rear axle. The info is the same in virtually all BMW owner manuals, for all tire combinations including same-size front/rear. For instance, my '01 330xi (same size all round - has to be!) recommends against it. So does the manual for my '91 E34 525i. The front tires tend to wear asymmetrically; more wear on the outside/outboard edges than in the center and inside edge. This happens *even if* the car is perfectly aligned. Floyd |
#4
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"Shaft Drive" > wrote in message oups.com... > Do any other manufacturers other than BMW not recommend tire rotation? > Some tyre can only rotate in one direction, so these can't be turned around on the rim and could only be swapped between the front and back on the same side and then only if the tyres are the same size (otherwise you will go round in circles!). So you may not be able to swap any tyres on some models / wheels. Generally speaking rear tyres tend to wear in the middle, especially if you do a lot of motorway work whereas the fronts tend to wear at the edge (especially outside - so some tyres can be turned or rim swapped to even this wear up). As it happens all my 7 series have had standard tyres which are all the same size, so when the fronts wear down, I move the rears to the front and put new tyres on the rear. |
#5
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Shaft Drive wrote:
> Do any other manufacturers other than BMW not recommend tire rotation? > Well, I can think of several cars right off the top of my head (Dodge Viper, for one) where there is a different configuration tire for each corner of the car, and so rotation isn't even possible. ANY car that uses unidirectional tires AND different size tires front and rear falls into that category. |
#6
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Some, like both of my Jeep owners manuals also recommend only front to
back rotation with the spare going to the main drive wheel, the RR and the RF going to the spare. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Shaft Drive wrote: > > Do any other manufacturers other than BMW not recommend tire rotation? > > >From the BMW shop manual: > > Tire rotation > The tread wear patterns at the front end > differ from those at the rear - the actual > patterns will vary according to individual > driving conditions. In the interests > of safety and maintaining optimal > handling characteristics, BMW does not > recommend tire rotation. > > If a proposed interaxle rotation of tires > is based on economic considerations, > one should consider whether the costs > for the rotation are likely to be recaptured > by any increase in the service life > of the tires that might be realized. In > principle, interaxle rotation must be > performed in short intervals, with a > maximum of 3,000 miles (5,000 km). > Consult your BMW center for more > information. > > Should you decide to rotate the tires, it > is essential to comply with the following: > Rotate tires on the same side only, since > braking characteristics and road grip > could otherwise be adversely affected. > Following rotation, the tire inflation > pressure should always be corrected. > If different tire sizes are mounted > on the front and rear axles (refer to > page 130), the wheels may not be > rotated from one axle to the other. > > http://www.bimmerfest.com/forums/showthread.php?t=55120 > http://www.bimmerfest.com/forums/showthread.php?t=36893 > http://www.bimmerfest.com/forums/showthread.php?t=69037 |
#7
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Steve wrote:
> Shaft Drive wrote: > >> Do any other manufacturers other than BMW not recommend tire rotation? >> > > Well, I can think of several cars right off the top of my head (Dodge > Viper, for one) where there is a different configuration tire for each > corner of the car, and so rotation isn't even possible. ANY car that > uses unidirectional tires AND different size tires front and rear falls > into that category. > Vettes - 97 & up - different size wheels on the front and back. tires are directional, so rotating isn't possible without dismounting the tires. Don't own one, so can't tell you what the manual says, but if I owned one I wouldn't rotate the tires. Some 80's Camaros had wheels with different offset for front and rear with directional tires, so same problem. For my 01 Trans Am it recommends rotating front-rear on the same side. I think the Acura NSX had a unique tire at each corner as well. |
#8
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In article .com>,
Shaft Drive > wrote: > Do any other manufacturers other than BMW not recommend tire rotation? Tyre rotation hasn't made much sense since ever. -- *Never underestimate the power of stupid people in large groups Dave Plowman London SW To e-mail, change noise into sound. |
#9
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On Fri, 13 May 2005 19:51:22 +0100, "Dave Plowman (News)" >
wrote: >Tyre rotation hasn't made much sense since ever. I thought that was the operative principle behind automobiles, that the tires should rotate. Wouldn't they get flat spots otherwise? -- Fred |
#10
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In article >, "Dave Plowman (News)"
> wrote: >> Do any other manufacturers other than BMW not recommend tire rotation? > >Tyre rotation hasn't made much sense since ever. I agree. So does BMW. Even for same size unidirectional tires on all four corners. According to BMW, the only time tire rotation makes sense on a rear-wheel-drive performance vehicle is if you do it yourself every 3000 miles (before any wear becomes too great to affect handling). On rear-wheel-drive performance automobiles, once you pass the 3000 mile mark, you start noticeably wearing the rears in the center and the fronts on the side. At this 3000-mile point-of-no-return, adverse handling will occur if you rotate. If you do rotate within the 3000 mile limit, make sure you readjust the pressure differential between the rears and the front or you'll have other handling problems you didn't bargain for. Also, if you do rotate, use any pattern you like (crossing sides at random, using the fifth tire, changing rotation direction, etc). Studies have shown that none of these rotation patterns adversly affect anything and none are any better than any other rotation pattern. Again, if you pass the 3000 mile point of no return, stop rotating for the life of those tires (should get you at least 30,000 miles depending on how aggressively you drive). If you have a front-wheel-drive econobox (all fwd cars are compromises for the sake of costs), things might be different though I've no experience with low-performance fwd cars. |
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