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Next BMW M3 sedan to be plug-in hybrid?

BMW has a lot in mind for the next-generation 3 Series and 4 Series cars, and we're hearing about it now even though they're not expected for another three or four years. The sedan is expected to be lighter, wider, with a longer wheelbase and a lower center of gravity. Rumored tech updates include the water injection system debuted in production on the BMW 1 Series, and the 4 Series convertible might go back to a fabric top. Now The Detroit Bureau reports BMW insiders have revealed that the next M3 will get a plug-in hybrid drivetrain. We've heard about plug-in variants in the mix for the G20 3 Series using a small displacement four-cylinder, but not on the M3 and possibly M4. The goal is familiar, according to the "several senior company officials:" to improve the performance while reducing the emissions footprint. Apparently, the power unit being worked on uses a "similar engine" to the 425-horsepower, 3.0-liter inline six employed at the moment, with power sent to the rear wheels. Electric assistance would come from a KERS-like unit that would also - and only - send power to the rear wheels. Torque is said to go up at least 73 pound-feet from the 406 lb-ft available currently, and all-electric range might be as much as 20 miles. Plenty of carbon fiber will help offset the weight of the lithium-ion batteries. Despite company obfuscations, we know BMW is working on a hybrid powertrain for a vehicle rumored to be called either i5 or i7, and would use one or two electric motors to drive the front wheels while the traditional ICE drives the rear wheels. This potential M3 and M4 powertrain would be an offshoot of that engineering. Automobile speculates there will be electric turbochargers and a horsepower number around 500. Related Video:

Confident new Cadillac marketing boss ready to take on Tesla, BMW

When there's a former BMW executive heading Cadillac's efforts to boost sales of its only plug-in, it's a pretty safe guess that the marketing emphasis won't be on environmental friendliness and tree-hugging tendencies. The General Motors luxury brand has appointed ex-Bimmer executive Uwe Ellinghaus to be its marketing chief late last year, and the German-born Ellinghaus is now saying that he's targeting potential customers of Tesla Motors, in addition to BMW, for potential growth in sales of the Cadillac ELR extended-range plug-in. Appointed to Cadillac's head of marketing last November, Ellinghaus recently told Advertising Age that GM needs to highlight the Cadillac's looks and performance. He complimented Tesla for putting more emphasis on those attributes in the Model S than on its lack of emissions or lack of refueling costs (but Tesla hasn't shied away from highlighting the EV's savings). Ellinghaus says that trying to gear advertising "for people who are tree-huggers and green-wash an entire brand" won't be successful. You don't say. So far, the ELR hasn't made much of a dent in US car sales. Through May, Cadillac, which spent about $280 million on all of its US marketing last year, sold 293 units, whereas Tesla had been approaching the 11,000-unit figure for the Model S. With that in mind, Cadillac may be working on a sportier version of the ELR, as spy shots of a test vehicle from May revealed larger brakes and wheels. You can read our First Drive impressions of the ELR here.

The 2017 Alpina B7 xDrive isn't as cool as the BMW M760i

Steve Ewing is good people, but when it comes to big BMWs, he talks nonsense. He argues, incorrectly, that the new Alpina B7 is somehow cooler than the new M760i. Here's why he's wrong. No surprise, but the bulk of the pro-M760i argument comes from under the hood. Yes, both cars produce 600 horsepower and 590 pound-feet of torque, but it's where the power comes from that really matters. The M760i's power is just much more accessible, with peak torque coming in at just 1,500 rpm, while the Alpina makes owners wait until 3,000 rpm for max twist (a fact Ewing glosses over). The V12 also offers up all 600 horsepower at 5,500 rpm, 250 rpm earlier. Sure, the Alpina is 0.3 seconds faster to 60 miles per hour – it does the deed in 3.6 seconds to the M760's 3.9 seconds – but it relies on a tweaked transmission setup to do it. Not only that, but big automakers like BMW are usually quite conservative about performance figures, so it's still a bit early to hand a medal to the aftermarket. Here's the other thing about the engines – Nigel Tufnel would prefer the M760i. See, the Alpina has a 4.4-liter, twin-turbo V8, but the M760i has a 6.6-liter, twin-turbo V12. To paraphrase Tufnel, "This one has a V12." We rest our case. Other changes between the two cars are largely in the eye of the beholder – we can talk about the transmission, suspension, and xDrive changes until we're blue in the face, but we simply don't have enough information about the two setups to make substantive arguments – some people might prefer the subtler styling of the M760i. We're not going to blame anyone for liking the more aggressive look of the Alpina, with its big, quad-tipped exhaust, meaty front splitter, or aggressive side sills. And those 21-inch Alpina wheels? Easily the coolest styling detail. You can get a closer look at them, and the Alpina's other changes, in our live gallery from the floor of the Geneva Motor Show. Related Video: Power, Dynamics and Luxury combined for class-leading performance and a superior driving experience – the all-new 2017 BMW ALPINA B7 xDrive. - Unique combination of high-performance drivetrain with 600 bHP and xDrive all-wheel drive system provide a 0-60 mph acceleration time of just 3.6 seconds. - Most advanced suspension and chassis technology with ALPINA calibration including for the first time Integral Active Steering for ultimate dynamics and comfort.