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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