Tuned Audi RS6 vs tuned BMW M5 F10 (Bimmers of Sweden Official)

Tuning on the BMW M5 F10:

* Schmiedmann Muffler delete
* Schmiedmann X-pipe
* Schmiedmann Catless downpipes
* Burger Motorsport Stage 1
* Dinan Carbonfiber Air System

Tuning on the Audi RS6 Avant:

vs Audi RS6 with ECU http://www.tmchiptuning.com/

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