98 Octane
Test file
Dyno report
I have Z4 e89 automatic
I was change change turbo (stage 2) turbo and also intercooler and transmission ssp kit and complet exhaust systems with downpipe injection 12 index also ecu remap LPFP 850hp custom.map but I got just 406 hp
Any idea whats wrong with my mod any one help for more power