So to clarify this post for any newcomers, here is what i got from the 11 pages here.
-------- LEMFORDER Arms -------- ~321£ = 396.57$
https://www.onlinecarparts.co.uk
L LCA - 38258 01 (BMW OEM 31122284529)
R LCA - 38259 01 (BMW OEM 31122284530)
L TS - 38256 01 (BMW OEM 31122284531)
R TS - 38257 01 (BMW OEM 31122284532)
-------- Hardware -------- ~50$
https://www.fcpeuro.com
(2) BMW Tension Strut Nut - Genuine BMW 31106767496 (supposedly this one is welded to frame so not needed, will confirm)
(4) BMW Combination Nut - Genuine BMW 33306787062 (some claim these come with the LCA+TS but mine didn't)
(2) BMW Control Arm Bolt - Genuine BMW 31106795930
(2) BMW Hex Screw With Collar - Genuine BMW 31106797237
(2) BMW Control Arm Locking Nut - Genuine BMW 33326760668
-------- TS Spacers -------- ~20$
https://www.summitracing.com
(2) Front/Outside: Keyser Manufacturing 100 377-1 (0.5 IN / 1.5 OD / 0.25" length)
(2) Rear/Inside: Keyser Manufacturing 100 377-3 (0.5 IN / 1.5 OD / 0.50" length)
OR
ask
victorescott@hotmail.co.uk
(2) Front/Outside: Stainless Steel 12mm bore x 30mm dia x 6.3mm long
(2) Rear/Inside: Stainless Steel 12mm bore x 30mm dia x 12.2mm long
Note: the second custom one is more accurate 18.9mm total instead of the 0.75in/19.05mm total from summit.
-------- Optional LCA Spacers -------- ~20$
38mm OD, 13mm ID, 1mm thick each side (some used 2 on each LCA)
https://www.homedepot.com/p/Everbilt...9302/203436045
OR
ask
victorescott@hotmail.co.uk
-------- Headlight Adjustment Rod -------- ~25$
https://www.turnermotorsport.com/p-5...m-upgrade-kit/
BMW Headlight Adjustment Rod - Genuine 37142283867
note: Need 1 of these. You will have to cut off one side of this and cut off the OEM end. Glue them together. Video named "M235i DINAN SPRINGS AND M3 LOWER CONTROL ARMS INSTALL" by "Low Boost Films" on youtube explains. Explanation starts @ 6:19.
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TOTAL: ~511$
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note: torque specs of subframe 74ftlbs +90* and 122ftlbs to knuckle for both lca and ts (please check me on that) and to only torque them at natural position , ie on tires or jack the hub up
someone please comment if anything needs revision, I would love for this to be the most accurate possible.