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Saturday, 01 October 2016 / Published in Audi, ECU Remaps, RS6
The 5 liter TFSI engine installed on the Audi RS6 C6 is one of the most powerful engine units in VAG group. Engine code is BUH and it is a monster. Here is why: 10 Cylinders, 40 valves, a total of seven radiators and four electric cooling fans are needed to cool the engine and
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