BMW M4 convertible in for GAD stage 1 package

BMW M4 convertible in for GAD stage 1 package

A wonderful BMW M4 Convertible came in for power tuning!!! 

Stock 425bhp and 550nm
Stage 1 510bhp and 680nm

 
 
huge gains from these tunable engines with further tuning options avalable. 
20 Nov 2017