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Have you driving an F15 with and without air suspension option?

The E70 X5M vs F85( by proxy F15s) drive completely differently and I personally prefer the feel of the E70. I personally find that the E70 feels like your not so much diving on wheels but the thing has claws, you want to change direction, it digs in, tears up the asphalt and forces you into said direction.

The electric F15 are much more vague.


Onto your question, from maintenance and reliably. Go 35i. There are a number of threads here of guys pushing some nice numbers. Making the F85 look slow.