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08-13-2014, 10:49 AM | #1 |
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Alignment Dilema!!!!
Wondering if Members could assist me. 2009 e89 Z4 that cannot not be aligned to factory spec in the rear. Here are the results of the 4 wheel alignment.
Front Initial: Final: Manufac Range Camber -0.5 (Lt) -0.1 (Rt) -0.5 (Lt) -0.2 (Rt) / -0.8 to 0.0 Toe -0.12 (Lt) -0.15 (Rt) 0.12 (Lt) 0.12 (Rt) / 0.9 to 0.15 Rear Camber -1.8 (Lt) -2.1 (Rt) -1.1 (Lt) -2.1 (Rt) / -2.4 to -2.3 Toe -0.03 (Lt) -0.34 (Rt) 0.17 (Lt) -0.04 (Rt) / 0.12 to 0.19 These are the best adjustments that the garage could achieve. I asked what could be causing this, their suggestion was frame out of alignment. I had this checked and it is to factory spec. The car seems to track fine without any pulling to right or left The right rear tire had to be replaced because of inside tire wear. What could be causing this and how would I check as well as solutions? Thank-you for your help Cheers; |
08-13-2014, 11:50 AM | #2 |
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Has alignment been checked by dealer? The last time I had new tires and alignment at an independent shop they told me they can only adjust alignment a certain amount without special BMW tools.
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08-13-2014, 11:58 AM | #3 |
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No, it was an independent shop. I had to explain to them how to do it without using the so called special tool. The "special tool" only adjusts Toe, it still would not explain the camber results.
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08-13-2014, 01:17 PM | #4 | |
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The shop has removed some negative camber from the front (did you ask for that?) and the rear at -2.1 is within range (my car was set to that from the factory.. I think the shop's info is incorrect) Also inside tire wear on the rear is from negative camber, and your shop has made it worse by going from -1.1 to -2.1. . keeping the old -1.1 camber setting would have been better. The right also wore more than the left in the rear because the left rear had close to zero toe before. Perhaps the issue is the shop.... and also, with no disrespect meant, if you are not able to interpret your alignment printout, perhaps it is not appropriate to give the shop advice on how to work around using manufacturer special tools.... For what it is worth, I think for the front, -.8 camber and 0.12 toe and for the rear -1.6 camber and 0.17 toe is a good place to start Last edited by nicknaz; 08-13-2014 at 01:27 PM.. |
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08-13-2014, 02:03 PM | #5 |
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Thanks for the reply. I do understand the results, am just wondering at possible causes as the garage was of no help. If they can't dial in the alignment any better then their has to be a mechanical problem
From my interpretation the front alignment is good now and within factory range. The rear on the other hand is off. I am not sure why he reduced the negative camber on the left side as the left and right are further away in value. Also, he improved the left toe to within range but the right is still out. When you stand behind your vehicle do the wheels angle in at the top ( i.e. like this " /-------\ " What would be the idea setting for best tire wear and good handling? Thanks |
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08-13-2014, 02:14 PM | #6 |
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Toe is adjustable, and the shop either isn't equipped to do it, or not competent at doing alignments based on what they sent you home with. would take it elsewhere... (i.e. I think the cause of your issues is the alignment tech) It is also possible you have a bent control arm or other suspension component, but I would get a second opinion before going down this path
Yes, the rear tires angle in at the top on my car. The fronts do slightly as well. I already gave an alignment setting recommendation in my earlier post. Best of luck! |
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08-15-2014, 12:30 PM | #7 | |
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