Even though I've had 3 frame read-outs and each one shows the frame to be perfect to the milimeter it still has a chance of being slightly off? I've just never dealt with frames before, I really have no clue. I've just had it on 3 different frame machines and each one shows it perfect.

Anyone know the answer to my subframe questions?

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Own:
2013 C300 4matic
2009 C300 4matic

Owned:
2001 E320 Sport
1992 500E
1989 300SEL