http://www.m5board.com/vbulletin/e60-m5-e61-m5-touring-discussion/163490-evotech-audi-rs6-720-hp-800-nm-vs-bmw-m5-touring-ess-ecu.html Evotech Audi RS6 vs BMW M5 Touring ESS ECU
MTM Audi RS6 730 HP Sedan vs BMW M5 Touring: http://www.m5board.com/vbulletin/e60-m5-e61-m5-touring-discussion/138902-hd-video-mtm-aud-rs6-730-hp-vs-bmw-m5-touring-stock-ouch.html#post1588413
BMW M5 Touring vs BMW M5 Touring with ESS ECU and RPI exhuast
MTM Audi RS6 Sedan 702 HP (ECU) vs BMW M6 Coupe (stock) view from RS6
http://www.m5board.com/vbulletin/e60-m5-e61-m5-touring-discussion/128188-video-2nd-bmw-m5-sepang-bronze-dinan-exhaust-aftermarket-ecu-vs-audi-rs6-avant-580-hp-stock.html 1080p: Audi RS6 Avant vs BMW M5 with ECU and aftermarket muffler (Dinan)
HD: Audi RS4 Avant vs BMW M5 Touring
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