Alpina B10 Bi-Turbo E34

The Alpina B10 Bi-Turbo was first introduced at the 1989 Geneva auto show, based on the popular and very successful BMW 535i. It was the fastest car Alpina ever built and to this date it remains the second fastest after the B12 5.7 Coupe. The extremely smooth and refined inline-6 engine, coupled with twin Garrett T25 turbo chargers that work together to practically eliminate turbo lag, provide over 100 horsepower per litre. A 5-speed manual transmission especially developed by Getrag for the B10 transmits the powers to the 17 inch wheels while Lucas-Girling four pot fixed caliper brakes, 332 mm (13.07 inch) ventilated brake discs and of course a ABS system help slow the car down.Other modifications performed by Alpina include new Mahle pistons, new valves and camshafts, new intake and exhaust systems, an intercooler for the turbochargers and standard exterior trims including front and rear spoilers. The interior is also updated with Recaro sport seats, a hand-stitched 3-spoke leather steering wheel by Momo and a whole bunch of dials including everything from boost pressure to oil temperature. Only 507 Bi-Turbo were built in total, however none are believed to exist in North America. The last Bi-Turbo ever produced rolled out of the plant in March 1994. The Bi-Turbo is extremely quick and should not be under-estimated by any BMW M5 owners (or Ferrari 348 / Testarossa owners, as a few German magazines found out) because the twin-turbo B10 both accelerates faster and has a higher top speed. - by Traian Popescu

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