Drop-top M4 proves a civilised, muscular car – albeit one that's not as involving as it should be A drop-top version of BMW's recently launched high-performance M4 coupé.There are two major advantages to having a roofless BMW M4. One is the obvious fact that you can be much closer to process of achieving motion, the rush of scenery that much more apparent when there’s only a windscreen over your head.The other is that you can much more prominently hear the magnificent, controlled cacophony of the straight-six turbo’s exhalations via a tuneful quartet of pipes.from Autocar RSS Feed http://ift.tt/10cwPOT
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