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The BMW M30 is a SOHC straight-six petrol engine which was produced from 1968 to 1995. With a production run of 27 years, it is BMW's longest produced engine and was used in many car models. With a production run of 27 years, it is BMW's longest produced engine and was used in many car models.
Width across flats is the distance between two parallel surfaces on the head of a screw or bolt, or a nut, mostly for torque transmission by positive locking. The term width across flats (AF) is used for the following forms: 2-socket = round material with two surfaces; 4-socket = profile square section; 6-socket, 8-square = regular polygons
Cars sold in North America produce 250 kW (330 bhp) at 7,900 rpm and 355 N⋅m (262 lb⋅ft) of torque at 4,900 rpm. [ 17 ] [ 18 ] Unlike the S54 engine from the E46 M3 and Z3 M Roadster and Coupes, where BMW used the same MSS54 DME, the Z4 M Coupe and Roadster engine is controlled by the MSS70 DME [ 19 ] which makes popular ECU tuning options ...
A major part of the torque is due to friction, so the differences in friction can cause large variations of the preload with the same torque setting; [3] angle-controlled tightening (also known as turn-of-the-nut method) is a technique where the bolt joint is rotated to some angle that ensures the stress beyond the yield limit of the parts ...
The torque is transmitted from the engine with a single-disc dry clutch with a torsional damper in the models with a manual gearbox, the automatic models have a torque converter with built in lockup-clutch. [3] Manual transmissions. The 5-speed manual transmissions are: [24] Getrag 242 (for M10 and M20 engine models) Getrag 262 (M30 engines)
The maximum torque capacity is 330 N⋅m (243 lb⋅ft). The 4HP 22 was produced for vehicles with rear wheel drive or 4X4 layout. Introduced in 1980, it was produced through 2003, and has been used in a variety of cars from BMW , General Motors , Jaguar , Land Rover , Maserati , Peugeot , Porsche , and Volvo .
A metric ISO screw thread is designated by the letter M followed by the value of the nominal diameter D (the maximum thread diameter) and the pitch P, both expressed in millimetres and separated by a dash or sometimes the multiplication sign, × (e.g. M8-1.25 or M8×1.25).
The M88 was produced alongside the BMW M30 engine, as the higher performance engine. ... Torque Years Note M88 204 kW (277 PS; 273 hp) at 6,500 rpm: