European Car Magazine made a call out and offered all BMW 1/2/3/4 series owners a chance of a lifetime ? going head-to-head at the ultra-exclusive Thermal Raceway! European Car then offered a follow up day on the dyno to see how much power this group of bimmers were producing.

Catch every episode of Tuner Battle Week 2017 on the Motor Trend Channel December 25th through December 29th with a new video premiering each day!

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