Sockethead, I got them from this guy: POWERFLEX BMW E53 X5 Front Thrust Arm Bushes. Urethane. | eBay

Like he says in his description, IGNORE the postage price and EMAIL him.

You're welcome Turbo, look forward to hearing your feedback too!

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Present:
01 X5 4.4i
07 Yam R1

Past:
89 R32 Skyline various mods, running 442 BHP
00 Merc CLK55 AMG
01 E39 M5 Haywood and Scott silencers
02 E46 M3 Supersprint Cats, Eibach Lowered, Thorney Motorsport Remap, running 368 BHP