Well, if no one will come right out and say it...

You can't put a snow plow on the front of your X. There isn't a frame there to bolt it to. It is a car, with a unibody.

If you put a rear-mounted blade on it, you can only use the toy models that attach to the 2" hitch receiver. They are a waste of time, IMO. It also wouldn't be very hard to bend the hitch receiver.

An 80' driveway isn't too big for a snowblower, unless it is very wide. I had a 30 foot driveway, 32 foot wide to match my oversize 3 car garage, plus sidewalks, paths, and patio. It was easy to keep on top of with a 28" snowblower.

Ariens or Honda, particularly if the Ariens comes with a Honda engine.

Good luck.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue