2011 BMW 7-Series Performance

In line with the automaker’s EfficientDynamics engineering philosophy, BMW announced today that its flagship sedan would get a smaller twin-turbocharged six-cylinder engine pumping out 315 horsepower at 5,800 rpm and 330 pound-feet of torque from 1,600 to 4,500 rpm.

The unit is based on the same 3.0-liter block found in a host of other BMW models, including cars like the 335i and Z4 sDrive35i. In the 2011 BMW 7-Series, the award-winning engine will reside in the new 740i and 740iL long-wheelbase variant.

Both models will go on sale as 2011 models in spring 2010. Pricing will be announced closer to the sales launch. Despite being the new entry-level models for the 7-Series range, they will be available with a full complement of options and packages, including the M Sport Package, Driver Assistance Package, Luxury Seating Packages, Rear Entertainment Package, and even the BMW Individual Composition Package.

Performance & Efficiency Standard Features

• 3.982 cc 4 liters 8 V front longitudinal engine with 89 mm bore, 80 mm stroke, 10 compression ratio, double overhead cam, automatic valve adjustment and four valves per cylinder
• Premium unleaded fuel
• Fuel economy EPA highway (l/100km): 9.8
• Multi-point injection fuel system
• 95 liter fuel tank
• Power: 210 kW, 282 HP @ 5.800 rpm, 295 lb ft @ 4.500 rpm

Car Audio Systems

 

As the automobile has evolved, in-car entertainment has become increasingly important. Your OEM car audio system is likely subpar, unless you paid big bucks for a vehicle equipped with a Bose or other designer sound system. Upgrading your car audio system is much simpler today. In fact, you can do it yourself with the right help and a few simple tools. What will you need for the job?

First, you’ll need a schematic that shows how you remove your OEM radio. This can be a very involved process in newer cars. If you don’t want to risk damaging your trim and interior, take it to a professional audio installer. They have the expertise and experience required to make the job simple and easy.

Before you yank out the audio system, you need to find a replacement system. Your budget and your needs will dictate what type you choose. Pioneer, Bose, Blaupunkt, Sony, Jensen, Samsung, Audiovox and many other brands are extremely popular. Each brand offers different benefits and different prices; use the Internet  

to research each brand and find the right fit for your needs. In addition, you’ll need an amplifier (at least one!), quality subwoofers, speaker wire and replacement speakers for your doors and rear deck (if your car has subpar speakers from the factory).

If you intend to do it yourself, hit the Internet. Several sites will tell you how to remove your OEM audio unit. Remember, these instructions will be vehicle specific; never use a general guide that claims to show you how to remove the radio from a broad range of different vehicle types.
Once you have your instructions in hand, it’s time to gather the tools you’ll need. The instructions may include tool types, as well. While some vehicles will have very specific tools, most will require many of the same tools, as well. A flat-head screwdriver, Phillips head screwdriver, a ratchet and a variety of sockets, a ratchet extension and tape are all common tool used.Follow the instructions in the removal manual and you’ll be on your way to audio heaven. If all this sounds like too much to tackle, take it to a shop. You’ll find that many offer very reasonable prices for installation. Some will even install your system free of charge if you purchase your components through them. Do your homework and you can find a great deal.

Assemble Car Audio Systems

For car lovers and likes music, get a good car audio system for vehicles of their choice. While modern cars today come with sophisticated systems built-in stereo car, most car owners still prefer their own way and get the car music system installed separately.

Building or assembling a car stereo system can be very challenging job if you are not too many gadgets and technical. This is because the audio speakers and stereo system components designed specifically for certain types of vehicles. Constraints of space in the car also makes things difficult for anyone in the workplace. So, what you can do is, assembling the entire audio system in stages. Start with the speakers, the most important part of music systems, and then proceed to assemble the other parts. Here are some tips on how to go about the whole process:

- Type speaker, shapes and sizes, which can be installed-the location and power needs are the top considerations for building a car audio system. First, find the best matching speaker audio system in your car. Consider all sides of the front, middle and back for a full stereo system. Then, match the output and the power of the unit amplifier or power handling capacity of the audio speaker system.

- Car stereo sub-woofer is more power consuming than other audio speakers and other speakers do not require a cage as when installed in the car. So, you can get a cage made specifically for your car.

- Most cars have a stereo system with built-in amplifier, but it is an external amplifier with more power, which makes a better stereo system car accessories, because you can easily adjust the bass, mid-range and higher frequencies in it - all separately for a balanced stereo system.

- For car stereo receiver system units, use existing in-dash unit. You can also replace the existing with new components for cars revamped music system.

Patience is the most important thing that you need to build a car stereo system. If you have it, go for it, if not, choose a professional to work on the installation of the audio system in your car.