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| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
Specification image modification exterior interior price review 2015 Alpina BMW B4 Bi-Turbo Cabriowelcome to neonista.blogspot.com website that provides a variety of information about the latest cars in the world. and this time we will share information about the 2015 Alpina BMW B4 Bi-Turbo Cabrio , the following information.
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| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
Long before BMW’s M GmbH produced its own high-performance variants, boutique tuner Alpina engineered and sold ultra-powerful derivatives of the Bavarians’ standard models. Hidden beneath the skin of innocent-looking 3-, 5-, and 6-series models, BMW Alpina packed modified engines whose power rivaled contemporary sports cars. As BMW began to push its M cars, Alpina altered its focus and specialized on derivatives with high power, but a bit more sophistication than M’s own. The new B4 Biturbo cabriolet, to be launched at the Geneva auto show, is a prime example of this approach.
The European-exclusive model takes BMW's 3.0-liter, twin-turbocharged inline-6 and massages it up to 410 horsepower and 442 pound-feet of torque, which is less power but more twist than the M4 would give buyers. Alpina's tend to be built more as quick, luxurious grand tourers, and the B4 Bi-Turbo gets is no different with an adaptive sport suspension and an eight-speed automatic. Plus it wears the classic pinstripes and 21-spoke wheels that are the brand's design hallmarks. |
| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
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| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
The suspension set-up of the new B4 Bi-Turbo provides great ride-quality and comfort while simultaneously offering sharp and dynamic handling. The adaptive ALPINA sport suspension solves this conflict of interest by means of electronically adjustable dampers in collaboration wîth performance springs, bump stops and stabilisers. The system allows the driver to use the Drive Performance Control (Eco Pro, Comfort, Sport, Sport+) to select the suspension setting and driving dynamics to match his mood.
The Variable Sports Steering from BMW, which comes as standard, has a progressive §teering rack providing §teering stability at high speeds but which requires significantly less §teering input (turns of the wheel) when manoeuvring and parking. |
| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
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| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
Deceleration is taken care of by an 18' high-performance brake system wîth 370 mm discs at the front and 345 mm discs at the rear. Aluminium callipers (4-piston on front axle, 2-piston on rear axle) painted in blue and wîth ALPINA lettering, in conjunction wîth high-performance pads, ensure fading stability and optimal pedal feedback.
Inspired by the pleasure that the 8-Speed Sport-Automatic Transmission with Switch-Tronic offers in the larger V8 powered BMW Alpina models, the so-called 8HP70 transmission has been extensively adapted to suit the performance characteristics of the new B4 Bi-Turbo models. Hardware modifications to ensure that maximum possible power delivery can be achieved include reinforced front and rear axle differentials, high-strength output and drive shafts and a high-torque transmission gear unit. In actual fact, the high power output and torque of the Bi-Turbo combine so well with this transmission that performance figures usually associated with much larger but less efficient engines are achieved. Furthermore, this transmission excels in disciplines often assumed to be incompatible and offers an optimum driving experience in every situation. To this end, three shift modes are available: Automatic (D), Sport (S) and Manual (M).
In Automatic (D) Shift Mode the focus is strictly on driving comfort. The transmission changes gears quickly and with no noticeable interruption to the delivery of power. The torque of the engine enables consumption-optimised 'surfing' in high gears even at very low speeds and in urban driving environments. Even at higher cruising speeds the rpms will remain low, for example 2500 rpm at 170 km/h in 8th gear, increasing long-distance driving comfort significantly. |
| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
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| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
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| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
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| 2015 Alpina BMW B4 Bi-Turbo Cabrio-Review Specs Photos |
Sport (S) Shift Mode noticeably shortens the time it takes for the next gear to engage and depending on engine load significantly moves the shift points up the rev range. Accelerator inputs are carried out immediately, full throttle i.e. kick-down will implement multi-simultaneous downshifts and optimal acceleration. When combined with the Sport or Sport+ setting of the Drive Performance Control, which modifies the drive and chassis setup, gearshifts are even quicker.
Activating the Manual (M) Shift Mode using the Switch-Tronic buttons on the back of the steering wheel, allows the driver to take control and shift gears when suitable or necessary. A special feature of the Sport, Sport+ and DSC Off setting is the suppression of automatic up-shift in Manual (M) Shift Mode - hereby the selected gear is held into the rpm limiter and the transmission will not up-shift into a higher gear.
High torque allows the use of a long rear axle ratio which in combination with the 8-Speed Sport Automatic Transmission and Auto Start Stop contributes significantly to achieving great fuel economy. Top speed is achieved in 7th gear. source: autoblog.com, caranddriver.com, conceptcarz.com
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