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