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BMW M4 vs. Lexus RC F in Head 2 Head sports coupe showdown

It's the showdown everyone's been looking forward to, the East versus West grudge match of the year. We're talking, of course, about the BMW M4 versus the Lexus RC F.
Although BMW uses a twin-turbo straight-six and the Lexus uses a free-breathing V8, the two are pretty closely matched on paper: a luxury coupe with over 400 horsepower channeled to the rear wheels.
The BMW has been doing these cars for longer, and the M4 boasts a higher power-to-weight ratio. But then the RC F has more power - and without forced induction to break up the rev range. So which is the better luxury muscle coupe? Watch the latest episode of Motor Trend Head 2 Head to find out.

Buy this Munro report, get a free BMW i3

Here's an offer we've never heard of: if you buy the Master- or OEM-level version of a detailed production and cost report on the BMW i3, the engineering firm that produced the report will give you a 'free' i3. Munro & Associates is the company behind the study and the offer, its comprehensive breakdown of the production realities involved in the i3 including a video of the disassembly process of the range-extended hybrid and a detailed analysis of every part therein - everything from fuse boxes to crossbar beams, headlights and the battery pack. You've only got a day to take advantage, though - the report has to be purchased by the time CEO Sandy Munro gives his talk, "Deconstructing the BMW I3: Groundbreaking Technology and the Composite Car," in Detroit Wednesday morning. The price of said report? That's "TBD," so head to the Munro site if you're tempted by the idea of a new car that comes with a trunk full of paperwork. We just hope they're not selling the i3 that they tear down. The press release below has more information. Munro to Give Away 2014 BMW i3 with Every Purchase of the Consulting Firm's Master Teardown Report When Purchased at Two Upcoming Detroit Events DETROIT, Jan. 8, 2015 /PRNewswire/ -- Visitors to the North American International Auto Show (NAIAS) during Preview Week often go home with a lot of swag and trinkets, but how about a $50,000 BMW i3? This year, a local engineering firm, Munro & Associates, is giving away a BMW i3 electric car with every purchase of the Master-/OEM-level version of its benchmarking study of this unique vehicle when purchased during NAIAS or the Plastics in Automotive Conference. The study, the most extensive of its kind, details the production and costs of every system in this carbon-fiber electric vehicle, which CEO Sandy Munro calls the most advanced vehicle on the planet. WHO: Munro & Associates, the global leader in manufacturing, costing and benchmarking. Using its proprietary advanced design, quality and costing software, Munro developed comprehensive reports on key vehicle systems and – for the first time – will offer the reports for general distribution. WHAT: A FREE 2014 BMW i3 for anyone who purchases the Master-/OEM-level report during Preview Week of NAIAS or during Sandy Munro's presentation at the Plastics in Automotive Conference.

BMW i8's three-cylinder sounds like it's shaping up quite nicely

We've run across some rather interesting news... or perhaps we should say interesting sounds. The folks from Bimmerpost have scrounged up a short video showing a preproduction BMW i8 running through a few gears in Sport mode at a quick pace, and if you were concerned that the somewhat eco-friendly nature of the upcoming German sports car would neuter its ability to stir the aural senses, fret not.
Judging by the lovely noise coming from the engine compartment of the i8 in the video, BMW's expertise in tuning high-strung, small-bore engines - remember, BMW Motorrad has quite the penchant for well-conceived motorcycle engines - has come through loud and clear. Now, it's worth mentioning that BMW's controversial Active Sound technology will be included with the i8, so the production car may not sound exactly like this version, which is running with the tech disabled. Owners won't have the ability to disable Active Sound on production i8s.
In related news, Bimmerpost reports that BMW will equip the i8 with an external Active Sound Design system to go along with its Pedestrian Protection System. That means those on the outside will likely hear piped engine recordings from the rear and a sort of "howl" from the front in order to warn pedestrians that the otherwise quiet (when running on electricity, that is) car is approaching. It will also feature technology that can stop the car before contacting a pedestrian.