https://truelaunchracing.com/?fbclid...sy9XD2XlAU7X9w
Couple guys where thinking some type of bluetooth strength or similar to measure proximity.
2010 135i auto,
2020 mods: Speedtech S366, VTT DBBL, PR Coils, dual 450's, etc
Best stock turbo 1/8 mile: 7.469 @ 98.56, 1.769 60'
Best stock turbo 1/4 mile: 11.480 @ 121.79 1.802 60'