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Steve Thomas BMW
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      08-19-2017, 11:46 AM   #1
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e90 M3 Alignment Weights

Is there a specification for the amount of weights for a e90 M3 during alignment? I know the regular e90 is 68kg in each front seat, 68kg in back, and 21kg in the trunk. However, I believe the M3 specification is different.
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      08-21-2017, 09:09 PM   #2
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are you asking about placing ballasts throughout the car and then getting it aligned? i'm sure it is a thing, but i have never seen it done.

i'd just get a full tank of gas and ask to sit in the car if you're interested in that.
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      08-24-2017, 09:41 AM   #3
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Yes the M3 ballast spec is different. Technically, the M3 is supposed to be aligned with weight in the car to simulate the suspension arm angles and load at speed.

Some shops won't do alignments for these M3's if they don't have the ballast weights on hand as required by what their computer screen tells them. Many tech's can't think for themselves if they can't comply with that they're instructed by their computer.

I tried several nearby chain shops like Firestone, NTB, etc. for an alignment last year and none of them would do it. Needed the dealer, or a competent alignment shop.
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