Here we go...
No reprogram need.
Unplug battery
Pop the air-bag out using t25 driver sneak in to the little holes
After that just couple screw t25 and swap them
Part no. 32306795939 confirmed
roughly about 400 USD
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'09 Z4 35i on the way of build
'06 997s built motor from Vision Motorsport 421WHP N/A
'96 Skyline R33 GTS stock trying to register it.
'99 Subaru Impreza 2.2 JE pistons , HKS rods , Jun cam 272 / 272, Greddy T78 32D , Sard 1000cc Inj., Tein and Tomei SQ trans , 10.21sec