I think you need longer stems...contact the folks at tire rack as I remember them offering different stems to install TPS with the LM's they sell at their website. They even mount and balance with TPMS and ship on their wheels if I recall.
'12 F10 550i (Dinan Stage 5, LSD, Intercoolers, CF Intake/Brace, Shockware, Springs, Eisenmann Race Exhaust, CF rear difuser, Giovanni "Lindo" Graphite 20" wheels)
'10 e71 X6 35iDrive SAV (Space Gray) - Gone
'06 e85 Z4 M Roadster (Black Metallic) -Gone
'08 e92 M3 coupe (Sparkling Graphite) -Gone