A BMW M5 prototype was spied cold weather testing with an xDrive all-wheel drive system.

A BMW M5 prototype was spied cold weather testing with an xDrive all-wheel drive system.

It was only last week when we heard BMW M chief Frank van Meel saying that future M models will be offered with an optional all-wheel drive system and now a current generation M5 F10 was spotted by Bimmer Post (see source link below) testing an xDrive setup. It's probably too late for the high-performance sedan to get AWD, especially since a leaked BMW USA model map doesn't mention a 2016 M5 xDrive.

As a consequence, expect the next-gen M5 and M6 duo to be available at an additional cost with an optional xDrive system while rear-wheel drive will remain standard for purists.

Getting back to the 2016MY model map, it confirms the rumor of a 340i model replacing the 335i and also mentions the 3-Series Plug-in Hybrid will enter production in November as the 328e. Interestingly, the rear-wheel drive 550i GT won't be produced anymore as BMW has decided to offer it only in xDrive flavor. Other notable highlights include 7-Series G11 and X1 F48 production kicking off in August while the X5 eDrive (xDrive40e) will hit the assembly line in June.

Spy images are available at the source link below. Special thanks go to Cody for sending us the tip! BMW M5 30 Jahre M5 pictured.

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BMW M5 prototype spied testing all-wheel drive system; 2016MY BMW USA model map leaked