Showing posts with label bmw. Show all posts
Showing posts with label bmw. Show all posts

2012 BMW Z4 sDrive28i





For over a decade, only one premium automaker has offered a four-cylinder in the U.S. And while the recent rise of Audi in the States isn't solely because of its 2.0T engine, it's obvious that luxury buyers are finally coming around to the idea of a fuel-sipping four-pot. As a matter of fact, they're starting to demand it. And BMW is heeding the call.



Next year, BMW will begin offering its turbocharged and direct-injected 2.0-liter inline four-cylinder engine on the 3 Series and 5 Series, matching Audi car-for-car in the entry-level and mid-size segments. But before the sedans arrive on U.S. shores – nixing the naturally aspirated 3.0-liter inline-six in the process – BMW is slipping its TwinPower four-cylinder into an unlikely host: the 2012 Z4 sDrive28i.


Why unlikely? Just look at the length of that hood. It was designed from the onset to house one of BMW's venerable inline six-cylinder engines, but by lopping off two cylinders, BMW almost made a front-midship roadster.



2012 BMW Z4 sDrive28i 2.0-liter four-cylinder TwinPower engine



The mounting points used to fit the outgoing six-cylinder and the current turbocharged 3.0-liter are the same that hold this TwinPower turbo four in place. The byproduct is an impressive weight balance of 47.3/52.7 front-to-rear, an improvement – depending on your perspective – from the 47.9/52.1 of the six-cylinder model.



The new N20 four-cylinder is the first engine to benefit from BMW's recently revealed modular engine program, and it's the same mill we sampled earlier this year in the not-for-U.S.-consumption X1 xDrive28i. Power remains almost unchanged in the Z4, with 240 horsepower coming on between 5,000 and 6,500 RPM and 260 pound-feet of torque available from 1,250 and 4,800 revs. While the new N20 is down by 15 hp compared to the six, torque output is up some 40 lb-ft. And the extra juice is evident the moment you mash the throttle.



2012 BMW Z4 sDrive28i side profile view2012 BMW Z4 sDrive28i front view2012 BMW Z4 sDrive28i rear view



Fitted with the six-speed manual, BMW claims the Valvetronic-equipped four will hit 60 mph in 5.5 seconds, while the new eight-speed automatic gearbox does the deed in 5.6 seconds – a decrease of 0.1 and 0.4 seconds, respectively, over the six-cylinder. And as you'd expect, overall weight is down as well, with the new four-cylinder Z4 tipping the scales at 3,252 pounds, or about 33 pounds less than the outgoing sDrive28i.



Predictably, that minimal weight loss can't be felt from behind the wheel, but the extra grunt is front and center. There's a hint of turbo lag below 2,000 rpm when you're lining up for a pass, but as soon as the single, twin-scroll turbo starts huffing and puffing, the Z4 accelerates more authoritatively than the six. Driving the old and new models back-to-back, we also noticed slightly less dive and squat from the mildly reworked suspension (BMW isn't saying what's been done, aside from tweaking the springs and shocks for the new weight balance), but that's probably more a product of the box-fresh four-cylinder compared to the slightly abused previous generation tester.



2012 BMW Z4 sDrive28i interior2012 BMW Z4 sDrive28i tachometer2012 BMW Z4 sDrive28i steering wheel detail2012 BMW Z4 sDrive28i shifter



We also sampled both the manual 'box and new eight-speed automatic transmission, and while we're partial to choosing our own ratios through the slick stick, the auto's quick changes and steering wheel-mounted paddle shifters trade a modicum of engagement for a healthy dose of convenience. It's one of the few times we wouldn't fault buyers for choosing the slush box, and considering the average Z4 owner, we're sure it'll be the most popular transmission.



Naturally, you want numbers, but BMW is only giving one for now: $48,650 (plus $875 for destination). That's an increase of $1,200 over the outgoing model, but for 2012, Bluetooth and USB integration, along with trunk-through loading and an alarm system, all come standard, so the price bump is nearly a wash with the new equipment. As for the other figures you're after, well, BMW isn't giving up fuel economy estimates just yet. With the (surprisingly abrupt) start-stop system fitted to the Z4 sDrive28i, BMW claims that fuel efficiency is up by 20 percent over the six-cylinder in the EU test cycle, but that could go either up or down when the EPA estimates arrive later this year. Figuring the outgoing model managed 18/28 mpg city/highway, it's safe to assume the four-cylinder should ring in around 22 mpg in the city and 33 on the highway.



2012 BMW Z4 sDrive28i rear 3/4 view



More importantly, the character of the Z4 is completely unaffected by the new engine. The six's sonorous tones have been replaced with a hint of turbo whistle and a thrum from the exhaust, but the overall experience remains surprisingly unchanged. Grunt is up, fuel consumption is down and top-down cruising is just as good as it ever was. The replacement for displacement is here, and if it's executed this well, we'll gladly give up a liter or two for the privilege.

2011 BMW 1 Series M Coupe



If you have read the breathless reviews and overwritten comparos, you would assume that the 2011 BMW 1 Series M Coupe is infused with the second coming of Senna. And for BMW to unabashedly draw a line between the M Coupe and the most holy of holies, the 1986-92 E30 M3, smacks of PRified nostalgia stoking. Call me a contrarian, but I refuse to believe the hype.

So as soon as the orange Bimmer landed on my fleet schedule, any and all reading, writing and discussion about the littlest M ceased. I would drive it for a week, live with it as if it were my own and deliver a critical, blatantly unbiased review of Life in the Key of M.

Five minutes into my first drive, I immediately pulled into a turnout, sat there for a second, took a deep breathe and realized – dammit – everyone was right. Brilliance is back in a small package.

Yes, brilliance. Surprising considering the M Coupe is the prototypical parts-bin special. But then again, when your parts bin is made up of some of the best driver-oriented bits in the biz, brilliance isn't expected, it's demanded.

2011 BMW 1 Series M Coupe side view2011 BMW 1 Series M Coupe front view2011 BMW 1 Series M Coupe rear view

So let's start with the core of any M-badged vehicle, the engine. It's the same twin-turbocharged N54 inline-six fitted to the Z4 sDrive35is and my current favorite non-M 3 Series, the 335is. Three liters of displacement and those duo of turbos put out 335 horsepower at 5,800 rpm and 332 pound-feet of torque from 1,500 4,500 rpm through the car's only transmission option: a proper six-speed manual. Peg the throttle to the floor and, if the ECU favors the conditions, an overboost function allows the turbo six to deliver an additional 37 torques, bringing the total up to 369 lb-ft. BMW claims a 0-60 mph run of around 4.7 seconds, but I don't buy it. My ass might not be as highly calibrated as other hot-shoe scribes, but there's no doubt the M Coupe is a solid 4.5-second runner – and instrumented testing both here and abroad bears this out.

Forward momentum in any part of the rev range is immediate and addicting, devoid of lag unless the needle is on the far left side of the tach. And even then, that minute pause is instantaneously consumed by traction-testing torque, a subtle turbo whine and an exhaust note that's more guttural drone than screaming sex six. Then again, this isn't an "M" engine. It's a chip and a massage. But it simply doesn't matter.

2011 BMW 1 Series M Coupe engine

What has been pulled from the BMW's motorsports arm are the bits that matter most: everything shoved into the wheel arches and connected to the driver.

The front track has been extended by 2.8 inches and fitted with double pivot struts, while the rear has grown 1.7 inches and equipped with the standard multilink suspension, both of which are comprised entirely of aluminum. The rolling stock is pulled directly from the M3 Competition Package, including 19x9-inch front wheels wrapped in Michelin Pilot Sport PS2 rubber sized 245/35R19 and 19x10-inch rear rollers with 265/35R19s.

That combination may say "stick" on paper, and it does... until you disengage the traction control. And trust me, you will.

With the system set to Normal, the Axis light on the dash flickers with the insistence of a Christmas tree with an electrical short, pulling power at the faintest hint of wheel spin. The accelerator, well-mannered in most environments, goes from tepid to tenacious with the flex of your foot. But if it's slightly numb in its standard setting, it's a different beast when engaging M Dynamic Mode. All the lil' steering wheel-mounted M button does is recalibrate throttle response, delivering a surge of rubber-ripping acceleration further down the pedal travel. Neither setting is particularly bad, but on-edge confidence suffers as a result.

2011 BMW 1 Series M Coupe headlight2011 BMW 1 Series M Coupe wheel2011 BMW 1 Series M Coupe taillight2011 BMW 1 Series M Coupe taillight

So when the time comes to dispatch all the electro-nannies, your right foot and two hands had better be ready to respond. Quickly. The amount of traction afforded by those massive meats is almost in direct opposition to the 104.7-inch wheelbase. So the M Coupe goes from grip to gone in an instant. No, this isn't the predictable breakaway we've experienced in the larger, more portly M3 (or any other M, for that matter). That's due to a number of variables, but chief among them is the 1's nearly square dimensions.

But when you hit it right, with the exact amount of power, the right amount of bank and the precise amount of steering, the 1 does what every proper M car should do: hangs out its tail until instructed otherwise.

Much of that sure-footed ease comes at the expense of overall ride quality when ambling about town, but it's nowhere near unbearable, and at speed, and for the 1M's intended audience (Hi Mom!) it's no-nonsense perfect. That same perfection winds its way up through the leather-wrapped wheel thanks to the M3-sourced speed-sensitive steering rack. That ever-so-slight sense of vagueness in the standard 1 Series is gone for good – and it was damned good to begin with. The clutch, while overly springy, has a perfectly defined friction point and the six-speed manual gearbox never ceased to impress and reassure each and every time we grabbed a gear.

2011 BMW 1 Series M Coupe interior2011 BMW 1 Series M Coupe front seats2011 BMW 1 Series M Coupe speedometer2011 BMW 1 Series M Coupe shifter

The brakes are another matter, but only because of their track-focused brutality. Cross-drilled and sized 14.2-inches in front and 13.8-inches out back, they never faded, never shuddered and never faltered. They also make smooth heel-and-toeing a near impossibility. Just breathing on the middle pedal sheds off velocity in an instant, but when attempting that life-affirming throttle blip, my right calf was stretched to its breaking point. This could just be a product of journo-inflicted wear or a brand new set of pads, but it was enough to stymie an otherwise faultless backroad run.

Other faults? Without getting into fuel economy numbers (estimate: 19/26 mpg, observed: 17.8), the transition from HD to ST on the radio would double-up the audio, and while the Alcantara on the dash trim and shift boot is a nice touch, if you're going to go full-M, why not coat the steering wheel and shift lever – the two most important touch points – with the same delectable material? Yes, it's a dealer option on the base 1 Series, but for $47k and change, you'd assume it would be standard on the 1M.

2011 BMW 1 Series M Coupe rear 3/4 view

But these are infantile nits to pick when looking at the M Coupe as a whole. This is a pure driver's machine through-and-through – a true M, or at least the closest we'll get in the 21st century.

Which brings up a larger point. As enthusiasts, we have to come to grips with the fact that no modern automaker can match the involvement and tactility of a vehicle designed before massive feature creep and ever-expanding safety regulations. That time has passed. And while this isn't the E30 M3 successor we might've hoped for, in many ways, it's better. The 1M is more livable, more powerful and surely more reliable. It sticks harder and goes faster, and BMW did its best to remove the buzz-killing insularity that plagues most modern vehicles. The 1M delivers what M-heads value most: driving delight über alles. And it's one of the only times in years that anything with four wheels has lived up to the hype.

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2012 bmw m1 future cars first look

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We bring you the first photos of the all-electric BMW Concept ActiveE 1-series production model. Compared to concept version, the production ActiveE receives more conventional wheels and tires, a different front bumper, a new hood with a bump, new headlight design,
and “E Drive” badges. The upcoming lifecycle impulse (aka “LCI” or “facelift) changes to the 1-series coupe and cabrio are seen here with new rear and front headlight lenses with LED technology and more reprofiled aerodynamics in the bumpers.

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