I found this website and this thread as well via searching for a Sakhir Orange leather dye kit.
https://www.colourlock.com/checkout/cart
I'm also watching videos on this right now as I'm trying to convert an E36 interior from all black, swapping in E46 seats and then dying the seats and door card inserts into Sakhir Orange to match my X5M.
- seems the hardest way
- seems the easiest way
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'10 BMW X5///M - Alpine White on Sakhir Orange - JB4 w/ HCP Stage 2 BEF, NGK 97506 @ .20, SS tubing & BMC filters, gutted cats, AC Forged 312 22's, H&R 2"
'98 BMW 740iL - ///E39 M5 6spd swap, fully built engine (sleeved, P&P, cams), 3.46 LSD, H&R Stage 2/Bilstein HD, Magnaflow 14816's
'97 BMW 328ci - ///E36 M3 clutch & L/W flywheel, Z4///M 18's