Re: E85 Tuning for b6/s4. Originally Posted by CHECKERED. worse fuel economy: true. but more horspower, not less. the only part that will see any type of failure will be the rubber O rings on the injectors. You can always replace them with every oil change.
This video will show you the full Cabin Filter (aka Pollen Filter) Change process for your Audi S4 4.2 V8 (B6, B7) 2003-2008Cabin FilterUSA:
What is the fuel economy, Audi S4 (8E,B6) 4.2i V8 (344 Hp) quattro? 13.3 l/100 km 17.69 US mpg 21.24 UK mpg 7.52 km/l: How ECO is the car, Audi S4 4.2i V8 (344 Hp

The storming new Audi RS4 Avant comes with a 444bhp 4.2-litre V8, four-wheel drive and masses of space With CO2 emissions of 249g/km the V8 Audi will land you with an enormous road tax bill

Audi A6 4.2i V8 40V Review. 2006 Audi A6 4.2’s production started in 2004 and continued in 2004, 2005 and 2006. A6 4.2i V8 40V is a 4 doors Sedan in All wheel drive (4x4). Automobile weight is 1745 kg with 0 liters trunk loading capacity. A6 4.2i V8 40V has a 4.2 l engine. With 4163 cc engine size it produces 335 Hp horsepower and 420 Nm torque.
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audi s4 4.2 v8 fuel consumption