Goin to get these Gearwrench mid sockets soon. Have deep, extra deep, normal, nano, but totally see the need for semi-deep. Everyone that gets sockets this size says they end up being the favorites.
https://www.amazon.com/dp/B00829RMAM...v_ov_lig_dp_it
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2008 M5 6spd, 1995 540i 6spd
2018 M4 Vert Comp, 2019 i3 120ah REX
2021 X7 40i MSport, 2006 Z4M 6spd