Chiptuning for Audi A4
B7 2004 2008 RS4 4.2 V8
B7 2004 2008 RS4 4.2 V8
Fuel type
gasoline
Standard HP
420
Standard Nm
430
STAGE 1 +19 HP / +24 Nm
HP
Nm
Stock
420
430
Tuning
439
454
Difference
19
24
STAGE 2 +38 HP / +43 Nm
HP
Nm
Stock
420
430
Tuning
458
473
Difference
38
43
Engine details
4163 CC 
84,5 X 92,8 mm 
Bosch MED9 
BNS 
12.50 : 1 Read methods
