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Chiptuning for Alpina B4
All B4 Biturbo
All B4 Biturbo
Fuel type
gasoline
Standard HP
410
Standard Nm
600
Performance Results
STAGE 1
+
45 HP / +
85 Nm
HP
Nm
Stock
410
600
Tuning
455
685
Difference
+45hp
+85Nm
Engine details
2979 CC 
84,0 X 89,6 mm 
Bosch MEVD17.2 
N55B30A 
10.20 : 1 Read methods
