Chiptuning for Alpina B6
All B6 Biturbo
All B6 Biturbo
Fuel type
gasoline 
Standard HP
540 
Standard Nm
730 STAGE 1 +33 HP / +68 Nm
HP
Nm
Stock
540
730
Tuning
573
798
Difference
33
68
Engine details
4398 CC 
92,0 X 82,7 mm 
Bosch MEV946 
N63B44A 
9.00 : 1