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The BMW E31 is the first generation of the BMW 8 Series.It is a grand tourer built by BMW from 1990 to 1999 as a 2-door coupé, powered by either a V8 or V12 engine. Whilst it did supplant the original E24 based 6 Series in 1990, it was not a direct successor, but a new model class with a substantially higher price and performance than the 6 Series.
The BMW 8 Series is a range of grand tourer coupes and convertibles produced by BMW. The 8 Series was introduced in 1990 under the E31 model code and was only available as a two-door coupé . [ 1 ] It is powered by a range of naturally aspirated V8 and V12 petrol engines . [ 2 ]
BMW is well known for its history of inline-six (straight-six) engines, a layout it continues to use to this day despite most other manufacturers switching to a V6 layout. . The more common inline-four and V8 layouts are also produced by BMW, and at times the company has produced inline-three, V10 and V12 engines, BMW also engineered non-production customised engines especially for motorsports ...
While most other engines in the BMW range had switched to dual overhead camshafts with four valves per cylinder, the M73 used a single overhead camshaft and with two valves per cylinder. However, BMW engineers did create a prototype four-valve per cylinder V12, called the M72, which developed 265 kW (360 PS; 355 hp) and 530 N⋅m (391 lb⋅ft ...
The first engine to use the S70 name is a 5,576 cc (340.3 cu in) variant of the M70 engine fitted only to the E31 850CSi. [17] With 1,510 units produced, this is the lowest production BMW engine to date. [18] Three prototype dual overhead camshaft S70 engines were constructed, prior to the decision to not produce an E31 M8 model. [19] Applications:
On July 7, 1988, the engine was presented internally within BMW. To prevent an "arms race" with other engine manufacturers, the V16 was never put into mass production. [ 2 ] Additionally, a higher-performance version of the M70 engine, the S70B56 installed in the BMW 850CSi , produced 380 PS (279 kW) and 56.1 kp⋅m (550 N⋅m ) of torque ...
The BMW S62 engine (full model code S62B50) is the high-performance variant of the M62, which is fitted to the E39 M5 and the E52 Z8. The S62 was BMW's first V8 engine to have double-VANOS (variable valve timing on the intake and exhaust camshafts).
The B12 5.0 was introduced in 1988 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.