1080p: BMW M5 E39 Headers, cats, exhaust ECU vs BMW 535d ECU (360 HP)
http://www.m5board.com/vbulletin/e39-m5-e52-z8-discussion/150004-hd-video-bmw-535d-ecu-360-hp-vs-bmw-m5-e39-ecu-supersprint-headers-more.html#post1723324 BMW M5 E39 Headers, cats, exhaust ECU vs BMW 535d ECU (360 HP)
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