There is an option in the advanced section when you go to edit the original post of the thread. Once in advanced there is an option to "Lock thread," I believe is how it's named.

I agree, it is a shame embedding was removed. It can be very helpful to help illustrate a DIY.

I approve of embedding, and videos links as well when accompanied with at least a synopsis of part numbers, materials, and procedure. Otherwise, it's literally spam until you click away from the site.

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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)

2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)