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12-04-2010, 05:34 PM | #1 |
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wheel alignment specs E89 = specs E85?
That's what they told me today at the tireshop when I went for a wheel-alignment.
They didn't have the specs for my e89 withs sport suspension, they only had the specs for the E85 but they assured the specs are the same... They also said the chassis is the same? I don't know about the alignments specs but I do know the layout of te rear axle is different on both cars. Can anybody confirm the alignment specs are the same or not? thx! |
12-04-2010, 05:47 PM | #3 | |
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second: Don't want to pay what the stealer would charge me for this, and i even doubt if they have the equipment. Last edited by GeneticX; 12-04-2010 at 05:57 PM.. |
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12-04-2010, 05:56 PM | #4 |
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can't be that much cheaper at the tireshop for them to screw up the OEM settings as opposed to spending a bit more for the dealership to do it right.
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12-04-2010, 06:03 PM | #5 | |
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And what will they propably do... i'll have to leave the car for a whole day at the stealership, they'll take it to a local tireshop to do the job... charge me twice the price of the tireshop... On topic please? |
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12-04-2010, 06:48 PM | #6 |
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They dont share the same spec.
Just go to any Tirerack approved shop and most of them know that they are different. Fender also has different shape. I am not sure about the chassis, but if I remember correctly, E89 has larger and longer chassis. E89 should have different chassis from E85 because of the weight distribution due to hardtop. But having said that, most setup from E85 will work.
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12-04-2010, 07:26 PM | #7 |
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The E89 is a totally different car than the E85 so i doubt the specs will be the same but they could be. Personally I would not trust your run of the mill tire shop to be able to properly align the car. Check the Tire Rack website and see if there is a recommended shop near you and check to see if they do alignments but I would check with a BMW dealer as you may be surprised to learn their prices are that much higher.
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12-04-2010, 09:09 PM | #11 | |
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Although the rear suspension appears to have come out of the e85 parts bin, the front is different. But, even if specs are similar it's not worth it to prematurely wear out a set of tires to save a few bucks on an alignment. And yes it's inconvenient. Additionally, I wouldn't trust a shop that doesn't have up to date info. Now days they all use pretty much the same top brands of alignment equipment and have subscriptions for the new car data. You have to ask yourself, the e89 has been out since 2009 and these guys don't have the info? Do yourself a favor - take it to BMW or as recommended go to tirerack.com and scope out a few of their connections in your area. Most likely a top grade shop will have Hunter Equipment and you can ask for that brand of equipment by name, they have specific programs for BMW. http://www.hunter.com/oem/bmw/kds2/index.cfm They also have the latest specs for the newest cars: http://www.hunter.com/company/news/p...r_2011spec.cfm So I would steer away from whoever you've talking to and find one of these guys in your area.
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Last edited by teagueAMX; 12-04-2010 at 09:24 PM.. |
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12-05-2010, 10:04 AM | #12 |
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Most dealers do not have alignment racks in house. They farm it out. In the NW we have a chain of tire stores Les Schwab that does great work.
According to my print out from them here are the specs. "BMW - e89 sport suspension (includind VDC suspension/adaptive M suspension) 19" wheels". (2009-up) Front: Camber: -.1 to -1.1 degrees Caster: 6.5 degrees (no range listed) Toe: .02 deg to .22 deg SAI: 14.2 deg Included Angle: 13.6 deg Rear: Camber: -1.9 to -2.8 deg Toe: .05 deg to .25 deg. Those are listed as the factory recommended specs. |
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12-05-2010, 10:49 AM | #13 | |
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He would do well to reduce that number to around 1.0 deg if possible.
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12-05-2010, 12:18 PM | #14 |
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I'm pretty sure they don't have alignment equipment at my BMW-dealer.
Thx for the advise guys but I live in belgium. I'm very positive about the shop i went to yersterday, they really work very accurate... one alignment they spent minimum an hour and set the toe and camber etc. really in hte middle of the tolerance specs. I went to several other shops with my previous 123D and they were done in a quarter. So if i find out that te specs are not the same I'll defenitely go back and they will do it over for free. |
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12-05-2010, 12:23 PM | #15 | |
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Here the specs are expressed in degrees and minutes. |
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12-05-2010, 12:31 PM | #16 | |
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Damn that's excessive! And if the specs are right it's actually to little... The specs on the printout say: -2° 50' with a tolerance of +-0° 15' |
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12-05-2010, 02:40 PM | #18 | |
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1° = 60', 0.1° = 6' so you rear camber @ 2° 31" = 2.517°
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12-05-2010, 03:04 PM | #19 |
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@GenericX - Minimizing your rear camber will extend your tire life by reducing the excessive wear on the inner tread area.
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12-05-2010, 03:56 PM | #20 | |
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I think more camber also doesn't improve traction in the snow, and that's really a problem here the last days. But give the car less camber and the handling wil probably get worse. But if BMW says the E89 needs that much camber i'll stick with it... to my experience they usually know it better... I would prefer to set the camber at the lowest within the tolerance. |
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