Japan Used BMW B12 for Sale

The Alpina B12 is manufactured by German automobile manufacturer BMW Alpina. The B12 originally succeeded the B11 4.0 in 1988 which was based on the BMW 7 Series. Subsequent models were based on the BMW 7 Series and the BMW 8 Series. Production ended in 2001 when the 7 Series models were discontinued. 

In 1988 the B12 5.0 was introduced and was the first Alpina production automobile to use a V12 engine as its predecessor, the B11 used 3.5 and 4.0 L V8 engines. The suffix 5.0 means the engine displacement which was unchanged from the standard BMW M70 V12. The B12 5.0 was based on the newly introduced 750i/iL. Exterior changes include a front chin spoiler, 17-inch multi-spoke alloy wheels, choice of special colours, "B12 5.0" badge at the rear, and Alpina pinstriping. The interior was customised according to customer specifications which ranged from a wide range of upholstery, steering wheel options, and gear knobs, and child seats.

In 1995 the B12 5.7 was introduced and was based on the new BMW 7 Series. Using the 750i/iL as the base, the B12 uses a modified version of the newly introduced BMW M73 V12 engine. The modifications included increased displacement to 5.7-litres, a modified air intake system, new cylinder heads, and higher compression Mahle pistons. These modifications allowed the engine to have a power output of 285 kW (387 PS; 382 hp) and 560 N⋅m (413 lb⋅ft) of torque. The engine was mated to a 5-speed ZF automatic transmission featuring a new gear change system called the "Switch-Tronic" system by the manufacturer. The system allowed the driver to put the car in a manual shift mode in which gears were changed via buttons on the back of the steering wheel.

In 1999 the B12 6.0 was introduced and was based on the facelift 750i/iL. The B12 6.0 used a modified version of the BMW M73 V12 engine. The upgradation include enlarged engine capacity to 6.0-litres, higher compression Mahle aluminium pistons, modified camshafts, and air intakes, Bosch Motronic M5 2.1 fuel injection, and a new exhaust system with a catalytic converter having an electronically heated metal catalyst.

Performance figures include a 0-100 km/h (62 mph) acceleration time of 5.9 seconds, a standing kilometre time of 23.5 seconds and a top speed of 291 km/h (181 mph). Production of the B12 6.0 continued till 2001 and a total of 94 cars were made.