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BMW tests M Lap Timer App with M4 Coupe at Brands Hatch

The 2015 BMW M4 looks to include all the necessary ingredients to offer dynamite driving experience. It's an M car after all. But in today's constantly connected world, the experience of hurtling a car around a track isn't always enough.
We want data, and while there are some solid telemetry apps available for smartphones (notably Harry's GPS LapTimer), manufacturers have been a bit slower to develop their own dedicated mobile telemetry trackers for their performance cars. With the new M4, though, BMW is taking the plunge, allowing drivers to track their lap progress through a new app, creatively called the M Lap Timer.
To show off the program, BMW has recruited touring car racer Andy Priaulx to perform a fast lap in an M4 at the UK's Brands Hatch circuit. The accompanying video doesn't do much to show off the app in action. Rather, it give us a stylized look at the metrics as Priaulx hustles BMW's hottest 4 Series coupe around the circuit.

Electric living with a BMW i3

Rarely in the 27-plus years I've been testing and writing about cars has any vehicle changed this much from my initial impression until I was later able to spend more time in one. Nearly two years ago, I got a brief test drive of the then-new BMW i3 EV on a selection of both flat and hilly, curvy roads west of Los Angeles the day before LA Auto Show press days. My impressions at the time were mixed: polarizing exterior and interior designs but roomy, easily accessible rear cabin; great twisty road handling but somewhat brittle rough-road ride; good performance but annoyingly strong (always on) regenerative braking. And there was no opportunity to test one with the optional range-extender (which BMW calls a "REx") engine. So I wanted an extended experience in a REx-equipped i3, and recently got one. And, I'm here to report that, driving it for a week like I owned it, the quirky i3 soon won me over. The quirky i3 soon won me over. The $42,400 BMW EV's unique, lightweight "LifeDrive" architecture features a Carbon Fiber Reinforced Plastic (CFRP) passenger cell on an all-aluminum chassis. Powered by a 22-kWh lithium-ion battery pack, its 170-hp AC synchronous motor spins out a healthy 184-pound-feet of torque through a single-speed transmission and offers three drive modes: Comfort, Eco Pro (which BMW says adds roughly 12 percent of range) and Eco Pro+ (another 12 percent). The optional rear-mounted 647 cc (0.65-liter) in-line 2-cylinder REx engine drives an electric generator, never the wheels. It increases the sticker price to $46,250 and curb weight from 2,860 pounds to 3,130 lb., and that 270-lb. weight penalty reduces its electric-only range from 81 to 72 miles and EPA-rated combined (gas-equivalent) fuel economy from 124 to 117 MPGe, and slows its 0-60-mph acceleration from 7.0 to 7.8 sec. But it nearly doubles the i3's official EPA-rated total range from an EV-only 81 miles to an EV-plus-gasoline 150 miles. The i3 arrived (from roughly 90 miles away) with its battery depleted but an indicated 75 miles of gas-powered range remaining. Wanting to experience it REx-only at first, I drove it on a 9.6-mile local trip and found little difference in sound or performance from what I recalled from that California battery-only test drive. When I returned home, however, the indicated gas range was just 55 miles, so I had used 20 miles of projected range in less than 10 local miles. My initial impressions were good, with a few quibbles.

Alpina Edition 50 models boast 204-mph top speed, company's most-powerful V8 ever

The folks at Alpina bridge the gap between a full factory outfit and traditional tuners. It currently only builds around 1,700 cars a year, but you're not going to find any massive rear wings or garish paint from the company. Instead, the business has been perfecting how to make BMWs better for the last 50 years and has decided to celebrate with its most powerful road model yet. For the Edition 50 models, Alpina is crafting 50 sedans or wagons and 50 coupes for European buyers based around its B5 Bi-Turbo and the B6 Bi-Turbo, respectively. The real birthday present is the upgraded, twin-turbocharged 4.4-liter V8 under the hood. It makes 591 horsepower and 590 pound-feet of torque, a bump of 59 hp and 52 lb-ft from the regular versions. The extra grunt comes thanks to additions like an optimized intake, water-cooled intercoolers near the turbos, lightweight pistons and a titanium exhaust. Alpina claims that these celebratory vehicles can get to 62 miles per hour in 4.2 seconds and a top speed of 204 miles per hour. Beyond just the major improvement in power, these special vehicles wear Alpina's more aggressive, though still understated body kit. They also ride on an updated version of the company's famous wheels that feature added side cuts on the multiple spokes to reduce weight. These exclusive cars are only available in Alpina's own shades of green and blue, plus a special color called Edition 50 Sepia from BMW Individual. There are also special logos on the seatbacks and center console to further promote the models' limited nature. Celebrating the brand's birthday in one of these high-speed vehicles retails for 86,850 pounds ($130,000) for buyers in the UK. NEW 204 MPH SUPERSALOON CELEBRATES 50 YEARS OF ALPINA ENGINEERING EXCELLENCE 26/03/15 Extensively revised V8 is the most powerful roadcar engine in the company's history Nottingham - Bespoke car manufacturer ALPINA will create 50 remarkable saloons (or estates) and 50 similar coupes to celebrate the company's half century this year. Based on the B5 Bi-Turbo and the B6 Bi-Turbo respectively, each vehicle will include hand-crafted Edition 50 body and trim features and a remarkable, heavily revised V8 that will propel the luxury five seater from 0-100 km/h (62 mph) in 4.2 seconds and on to a top speed of 204 mph. ALPINA's fifty year heritage includes the creation of some of Europe's most highly-regarded luxury performance road cars and iconic race cars including the legendary BMW 3.0 CSL.