All the details and press shots of the BMW X5 M and X6 M will be released on April 4th. BMW has just confirmed that the X6 M will make its stateside appearance at the 2009 New York Auto Show on April 8th. What about the X5 M? Apparently there BMW did not say whether the high-performance X5 will make it to the Big Apple.

Power for both models is expected to come from a 500-hp twin-turbo 4.4L V8. Both models will go head-to-head with the Porsche Cayenne Turbo and the Mercedes-Benz ML 63 AMG.

Make sure you join us on April 8th for live coverage of all the debuts at the 2009 New York Auto Show.