2008 Bmw 650i Base Coupe 2-door 4.8l-43k W/m6 Wheels on 2040-cars

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2013 Dinan S3 BMW 550i

Steve Dinan has been enhancing BMW models since 1979. But don't throw his company into the ring with the dozen or so other tuners who tweak, tinker and piggyback upgrades on the famed German marque. Dinan is a tuner, but it's also an engineering firm that writes its own software, builds its own parts and then backs everything it does with a factory-grade warranty. That sort of fastidiousness comes at a price, but most of its customers - including the powerhouse of BMW Motorsport - rely on Dinan to help them come out on top.
In stock form, BMW's 550i is a formidable four-door with a twin-turbocharged 4.4-liter V8 rated at 400 horsepower and 450 pound-feet of torque. While those figures allow it to run with quick company (0-60 in 5.0 seconds, according to the automaker), Dinan puts the sedan's kettle on full boil with its S3 package. Starting with the engine, the performance engineering firm bolts on larger turbochargers, air-to-water intercoolers, a trick strut tower brace cold air intake, a quad-pipe free flow exhaust and its own engine management software. Pump in some premium fuel, and the result is 542 horsepower and 587 pound-feet of torque. Power is sent through the stock eight-speed automatic to a limited slip rear differential (Dinan will upgrade xDrive all-wheel drive models, too).
The Dinan S3 also features and extensive suspension upgrade that includes new front camber arms and low compliance rear control arms (engineered to reduce understeer and improve turn-in). The stock dampers are retained, but new bump stops are installed along with new springs. Overall, the car rides about a half-inch lower than stock to improve roll rate. To reduce unsprung weight, forged 20-inch HRE Performance wheels are fitted at all four corners (wearing Michelin Pilot Super Sport tires - 275/35ZR20 up front and 295/35ZR20 in the rear). Lastly, the company remaps the factory Electronic Damper Control (EDC) software with its own Dinan Shockware to work in conjunction with the new enhancements.

These are the cars with the best and worst depreciation after 5 years

The average new vehicle sold in America loses nearly half of its initial value after five years of ownership. No surprise there; we all expect that shiny new car to start depreciating as soon as we drive it off the lot. But some vehicles lose value a lot faster than others. According to data provided by iSeeCars.com, trucks and truck-based sport utility vehicles generally hold their value better than other vehicle types, with the Jeep Wrangler — in both four-door Unlimited and standard two-door styles — and Toyota Tacoma sitting at the head of the pack. The Jeep Wrangler Unlimited's average five-year depreciation of 30.9% equals a loss in value of $12,168. That makes Jeep's four-door off-roader the best overall pick for buyers looking to minimize depreciation. The Toyota Tacoma's 32.4% loss in initial value means it loses just $10,496. The smaller dollar amount — the least amount of money lost after five years — indicates that Tacoma buyers pay less than Wrangler Unlimited buyers, on average, when they initially buy the vehicle. The standard two-door Jeep Wrangler is third on the list, depreciating 32.8% after five years and losing $10,824. Click here for a full list of the top 10 vehicles with the least depreciation over five years. On the other side of the depreciation coin, luxury sedans tend to plummet in value at a much faster rate than other vehicle types. The BMW 7 Series leads the losers with a 72.6% drop in value after five years, which equals an alarming $73,686. BMW's slightly smaller 5 Series is next, depreciating 70.1%, or $47,038, over the same period. Number three on the biggest losers list is the Nissan Leaf, the only electric vehicle to appear in the bottom 10. The electric hatchback matches the 5 Series with a 70.1% drop in value, but since it's a much cheaper vehicle, that percentage equals a much smaller $23,470 loss. Click here for a full list of the top 10 vehicles with the most depreciation over five years.

BMW X6 M said to lap the 'Ring in 8:20

Bimmer Today reports that the German rag Auto Zeitung ran an Audi RS3 and a BMW X6 M around the Nurburgring together, and the hotted-up sports activity vehicle came in just five seconds behind the white-hot hatch. Driven by 'Ring regular Horst von Saurma, the RS3 ran its lap in 8 minutes, 15 seconds, and the X6 M ran an 8:20. If those times are accurate, that makes the X6 M the second fastest production SUV on the lap-time list according to Wikipedia: ahead of it is the 550-hp Range Rover Sport SVR, which ran a time of 8:14. That time puts BMW's 575-horsepower, 5,200-pound SUV four seconds ahead of the time registered by the last-gen, 555-hp X6 M, and well ahead of the Porsche Cayenne Turbo S that Sport Auto clocked an 8:34 with. It would not, however, match the predictions that X6 M project manager Herbert Bayerl made for it in an interview with Sport Auto earlier this year. Bayerl said "The new BMW X6 M moves at the level of M3," speaking of the E92 BMW M3 that Sport Auto ran around the 'Ring in 8:05. It is, though, two seconds faster than the E46 M3, which lapped in 8:22. Bayerl called out the Range Rover Sport SVR directly, saying, "We have been traveling much faster in testing and have undercut the time of Range Rover several times," and "We don't need any special attachments to go faster." Auto Zeitung's report on the lap is only for subscribers so we'll have to wait for more official news. For the apples-to-apples comparison we'll be looking forward to Sport Auto's hot lap, then we'll know if the Range Rover has anything to fear. Related Video: