3rd gear pull 1 psi down on target Been chasing this for a while. Is this a boost leak or a solenoid or turbo? It gets above target initially then drops off. Any ideas?
2023 535i w/ XHP trans tune 98 luk oil, 3rd gear WOT, by ulqin straight away. FBO with XHP trans tune, 2nd version with 600NM Tq limits stage 2