+1 Gator328i
The M5 you drove had to be sick and tired if you thought your tuned 335 was equally impressive. I have been in 335's and find them to be nothing more then a fast mini cooper.
The M5 is a beast, one that doesn't even begin to shine until you get into the upper power bands, I think the M5 is not the car for you based on your stated usage and my perceived driving style. With this perceived driving style, I would recommend you go with utility for your family first.
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2014 550i M-sport
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