You could save your pennies even more than you already have as you don't need a balljoint splitter for that. Loosen the nut and give it a couple of 'taps' with the club-hammer-looking persuader. The shock factor goes from 0 to free in under 6 seconds.

Also, unless your roads are like a brand new race track, or you like driving Miss Daisy you'll be changing those bushes (whole arms again if you feel that way inclined) in about 20k miles-genuine or not. And at $82 for the pair my guess is they are not, which probably brings them down to 15k miles..

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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