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Specifications for Audi A4 Cabrio
The Audi A4 Cabrio RS4 4.2 V8 produces 420 HP in standard configuration. Based on available tuning data, Stage 1 optimization can increase output approximately with 10%.
Below you will find detailed performance figures and technical specifications, including engine information, ECU details and supported read methods where available.
Engine Specifications
Bore × Stroke
84,5 X 92,8 mm
Displacement
4163 CC
ECU Type
Bosch MED9
Compression Ratio
12.50 : 1
Engine Code
BNS
Read Method
ktag
Stage 1
POWER
420 HP
420 HP
→ +21
TORQUE
430 Nm
430 Nm
→ +26
PRICE
€ 690,-
Stage 2
POWER
420 HP
420 HP
→ +39
TORQUE
430 Nm
430 Nm
→ +44
PRICE
€ 0,-