bmw alpina b4 s biturbo a u t o m o b i l e m a s t e r p i e c e s s i n c e 1 9 6 5 bmw alpina b4 s biturbo coupé coupé awd convertible
coupé culture coupé culture the design of the bmw alpina b4 s bi-turbo coupé combines muscular and delicate elements in one chic silhouette. the coupé has a long, wide and low stance. its profile rakes from an imposing, muscular front accentuated with bold lines to a clean and stylish rear. the front spoiler, with subtle alpina lettering, integrates seamlessly into the dynamic front apron which is characterised by large air intakes for the cooling system of the turbo-charged engine, the transmission and the high-performance fixed-calliper brake system. together with the rear spoiler this reduces lift to a minimum for excellent handling and stability at high speeds.
precise handling precise handling the suspension set-up of the bmw alpina b4 s 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 with perfor- mance 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 high performance michelin pilot sport 4 s tyres forego run-flat technology for more comfort and precise handling. new alpina classic 20” forged wheels with revised, minimalistic design. a reduction in unsprung mass results in even sharper handling and precise steering and also leads to enhanced comfort.
pleasure convertible pleasure convertible the alpina philosophy rests on a number of central pillars including effortless performance, abundance of torque, smooth automatic transmissions, an emotional soundtrack and precisely tuned suspensions. this in summary, sophisticated driving experience with a sporty touch, is perfectly suited for elegant convertibles where an open roof amplifies all sensations. the bmw alpina b4 s bi-turbo convertible carries on this legacy with its impressive performance, driving dynamics and elegant silhouette. when the roof is open the bmw alpina b4 s bi-turbo convertible stands out with its sleek, clean look. the 20” alpina classic light alloy wheels fit seamlessly into the overall shape of the convertible and lend it a particularly elegant presence. hence it is not without reason, that bmw alpina convertibles based on the bmw 4 series have a small and particularly loyal group of enthusiastic owners who share a passion.
powerhouse powerhouse liter straight-six cylinder engine with the 3.0 high-precision direct injection, valvetronic and bi-turbo charging delivers 324 kw (440 hp) between 5500 rpm and 6250 rpm and a maximum torque of 660 nm at only 3000 rpm. in fact impressive 600 nm of torque is available across a wide range between 2000 rpm and 5000 rpm. in combination with the excellent zf 8-speed sport-automatic transmission this means that the bmw alpina b4 s bi-turbo models are never lacking in forward momentum – power can be called upon at all times and in an instant, in order to enjoy that typical, effortless alpina driving experience. the bmw alpina b4 s bi-turbo convertible acceler- ates in 4.3 seconds, the bmw alpina b4 s bi-turbo coupé in just 4.2 seconds from 0 to 100 km/h on their way to a top speed in excess of 300 km/h. performance and torque diagram bmw alpina b4 s biturbo bmw alpina b4 s biturbo 324 kw (440 hp) at 5500-6250 rpm 660 nm at 3000-4500 rpm bmw alpina b4 biturbo 301 kw (410 hp) at 5500-6250 rpm 600 nm at 3000-4000 rpm ) w k ( g e t t u p u o r e w o p 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 25 750 700 650 600 550 500 450 400 350 ) m n ( g e e u q r o t 300 1000 2000 3000 4000 5000 6000 7000 engine (rpm)
• air-flow optimised air intake ducting • alpina specific turbochargers with double-walled exhaust manifolds • de-throttled charge air piping, cast aluminium • forged steel crankshaft • crankcase designed for bi-turbo charging • near engine catalytic converters
charge air piping • with optimised air-flow and cross-sections high-performance • cooling package external water cooler • large volume, • high efficiency intercooler • diagram highlighting b3 s/b4 s bi-turbo technology, vehicle depicted is b3 bi-turbo my 2016. • air-flow optimised air intake ducting and air filter housing • front strut brace for stability and precise handling • electronically controlled by-pass valves for excellent throttle response • external engine oil cooler • front spoiler with aerodynamic air intakes
• adaptive alpina sport suspension • high performance brake system, ventilated 370 mm (front) and 345 mm (rear) brake discs • fixed aluminium calipers with 4 pistons (front) and 2 pistons (rear) and high temperature-resistant brake pads • 8-speed sport-automatic transmission (zf 8hp70) with alpina switch-tronic • alpina classic 20” light alloy wheels with valve hidden behind lockable wheel hub covers • diagram highlighting b3 s/b4 s bi-turbo technology, vehicle depicted is b3 bi-turbo my 2016.
alpina identity alpina identity the bmw alpina b4 s bi-turbo models come with an extensive list of standard equipment, including leather upholstery, electrically adjustable heated sports seats, automatic climate control, led headlights, rain sensor and cruise control. the interior is dominated by refined materials and offers an exclusive ambience. the door sills, floor mats, emblems in the seatbacks, instrumentation and a hand-stitched sport steering wheel in the finest lavalina leather make discreet references to the car’s exclusive origins. virtually no limits are placed on the individual design of a bmw alpina. from the paintwork to the interior trim and the colour of the upholstery – everything offered by the extensive bmw and alpina equipment range is available.
technical data t e ch nical data b m w a l p i n a b 4 s b i t u r b o this is a translation of the original german brochure which fulfils the requirements of german law. all technical data in this brochure apply to the german market, additional international units of measure shown in the technical data for the purposes of information only. further information on specific fuel consumption and specific co2 emissions of new passenger cars is given in „leitfaden über den kraftstoffverbrauch, die co2-emissionen und den stromverbrauch neuer personenkraftwagen“ which can be obtained free of charge at all points of sale and from the 'deutsche automobil treuhand gmbh (dat), helmut-hirth-str. 1, 73760 ostfildern-scharnhausen‘. 1 the figures are determined using the prescribed measuring methods (ece-r 101 in its current version) 2 the figures quoted includes a 90 % tank filling, 68 kg for the driver an 7 kg for luggage. unladen weight applies to vehicles with standard equipment. optional equipment may increase this figure. 3 eu-tyre label = fuel efficiency / wet grip / external rolling noise class. differing data for all-wheel drive in ( ). modifications and errors excepted. dimensions coupé convertible length width height, unladen wheelbase track, front track, rear luggage capacity fuel tank, approx. mm mm mm mm mm mm l l 4640 1825 1373 2810 1552 (1551) 1576 445 60 4640 1825 1380 2810 1552 1576 220-370 60 performance coupé convertible weight coupé convertible 6 in line acceleration engine cylinders capacity bore stroke compression ratio max output at max torque at engine management fuel type emission classification cm³ mm mm : 1 kw (hp) rpm nm / lbs-ft rpm 2979 84.0 89.6 10.2 324 (440) 5500-6250 660 / 487 3000-4500 bosch mevd 17.2.g super plus euro 6 unladen (eu) 2 max permissible permitted load 0-100 km/h / 0-62 mph s 4.2 (3.9) 4.3 acceleration 0-200 km/h / 0-125 mph s 13.6 (13.4) 15.2 max axle load: top speed km/h 306 (303) mph 190 (188) 304 189 front rear max trailer load: braked unbraked kg kg kg kg kg kg kg 1690 (1755) 2135 (2200) 1915 2300 520 460 1030 (1090) 1150 1075 1260 1700 (1800) 1700 750 750 transmission fuel consumption 1 coupé convertible wheels & tyres type 8-speed sport-automatic (zf 8hp70) with switch-tronic urban l/100 km 10.9 (11.5) 11.1 alpina classic 20“ with michelin pilot sport 4 s: mpg 25.9 (24.6) 25.5 transmission ratios : 1 1st gear 4.71 5th gear 1.29 extra-urban l/100 km 6.2 (6.5) 6.7 2nd gear 3.14 6th gear 1.00 mpg 45.8 (43.5) 42.2 3rd gear 2.11 7th gear 0.84 4th gear 1.67 8th gear 0.67 combined l/100 km 7.9 mpg 35.8 (8.3) 34.0 8.3 34.0 overall gear ratio reverse gear ratio final drive ratio :1 :1 7.0 3.32 2.81 co2 emissions combined co2 efficiency (germany) g /km 180 (190) d 190 d front eu-tyre label 3 rear eu-tyre label 3 8 x 20” with 245/30 zr20 (90y) xl e /a / 71 db 9 x 20” with 265/30 zr20 (94y) xl e/a / 71 db