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21/06/2008 02:01. According to Car Magazine , the 4.4-liter twin-turbo V8 that debuted in the BMW X6 is coming to the 2010 BMW X5 . That'll give the X5 408 HP, a 155 MPH top speed, and a 0-60 time of 5.5 seconds; just a hair slower than the X6.

Expect it to also gain an X6-style front end with big air intakes and a sculpted hood. There's no word on whether or not Dynamic Performance Control (the technology that really gives the X6 its magic) will trickle down to the X5, but we wouldn't rule it out. The... // Jalopnik