Have you checked out the 3 ton Michelin jack at Sams Club??? Under $100.

Michelin 3 Ton Low Profile Floor Jack with Dual Pump - Sam's Club

Best sub $100 jack I've ever seen.

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!