I replaced my brakes pads, rotors, and shoes all around, and noticed that the parking brake seems out of adjustment. New Pagid shoes seemed about the same as 18 yr old factory shoes.
Great info on this thread and:
https://xoutpost.com/bmw-sav-forums/...djustment.html
https://xoutpost.com/bmw-sav-forums/...djustment.html
Adjusted the parking brake with a turn star wheel until I couldn't move the wheel, then backing off 2-3 clicks. Now parking brake is solid at 4-5 clicks. Didn't touch the hand brake cable even though LT was 2 threads tighter than the RT. There was no exposed cable visible to test tension on the cables on an e53.

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'05 X5 4.8is, '02 M5, '01 740iL, '10 335i. (ex. '00 328i, '99 M3 cab, '95 740i, '93 325is, '86 325).