boost spikes are perfectly normal on gear change. Just do a 3rd-4th gear WOT and datalog it with the std parameters. attach the file renamed as txt if you dont know how to plot it.
07 335i AT - MOTIV 750 - COBB (Custom Cobb mapping by MOTIV) - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade