BMW 550 Gets the Sleeper Treatment
Published by Dan on October 12th, 2011 | Posted in Dealer News | No Comments » 186 viewsOne would think that the BMW 550I has plenty of power for a luxury sedan cruiser. 1 step below the M5, the 550 lacks just some small upgrades that can turn this V8 into a V10 killer. To start this customers project off, we did a ECU Flash with local tuner Dyno Comp. The ECU

