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AERA Torque Specs. 500 Coventry Lane, Suite 180, Crystal Lake, IL 60014. Toll-free Technical Hotline: 1-888-324-2372 (1-88-TECH-AERA). 815-526-7600 fax. Cylinder Head Bolt Torque. 15 FT/LBS + 70° USE NEW. 44-49 FT/LBS. 29-33, 44-47 FT/LBS,. FASTENER TORQUE CHARTS. Imperial has made a concerted effort to provide accurate information in its catalog and on its web site, however Imperial assumes no responsibility for the accuracy of the information. All information published by Imperial in its catalog, marketing literature, and on its web site is provided 'as is'.

M20 engine- intake side The M20 is a petrol engine produced from 1977 to 1993. It was introduced eight years after the larger straight-6 engine, which remained in production alongside the M20.

The first models to use the M20 were the 520/6 and the 320/6. The initial M20 model had a displacement of 2.0 litres, with later versions having displacements of up to 2.7 litres. The M20 began to be phased out following the introduction of the engine in 1990. The final M20 engines were fitted to the 325i touring model built in April 1993. The M20 was the basis for the, and the loosely related V12.

Contents • • • • • • • • History [ ] By the 1970s, BMW felt the need for a smaller (than the BMW M30 M30]]) straight-6 engine for use in the 3 Series and 5 Series. ( p92) The result was the 2.0 litre M20, BMW's smallest straight-6 engine of its day. Download Workplace Management Ohno Pdf To Word.

With displacements ultimately ranging from 1991 cc to 2693 cc, it was used in the,,, and. Early versions of the M20 were sometimes referred to as the 'M60', although BMW has since used the code for a V8 engine produced from 1992-1996. Design [ ] As per the engine, the M20 has an iron block, aluminium head and a valvetrain with 2 valves per cylinder. The major differences to the M30 are: • A rather than a timing chain • Bore spacing of 91 mm (3.6 in), rather than 100 mm (3.9 in) • Slant angle of 20 degrees, compared with 30 degrees for the M30.

Early M20 engine with K-Jetronic The first models to use the M20 were the E12 520/6 and the E21 320/6, which used the 1991 cc M20B20. This engine uses a bore of 80 mm (3.1 in) and a stroke of 66 mm (2.6 in). The M20B20 initially used a 4A1 four-barrel, had a compression ratio of 9.2:1 and a redline of 6,400 rpm.

The M20B20 first became fuel-injected in 1981, with Bosch used. The compression ratio was raised to 9.9:1. In 1982, the fuel injection was updated to and then Bosch in 1984, with a redline of 6,200 rpm. In 1987, the M20B20 was again revised with the addition of Bosch engine management, a catalytic converter and a compression ratio of 8. Bhagavad Gita Commentary By Swami Chinmayananda Pdf To Jpg. 8:1. Diver T Program Dallas County Records.

The M20B20 was not sold in North America. Applications: • 1976–1981 520/6 (carburettor) • 1977–1982 320/6 (carburettor) • 1981–1982 520i (K-Jetronic) • 1982–1984 520i (L-Jetronic) • 1982–1984 320i (L-Jetronic) • 1984–1987 520i (LE-Jetronic) • 1984–1987 320i (LE-Jetronic) • 1986–1987 520i (Motronic) • 1987–1992 320i (Motronic) • 1988–1990 520i (Motronic) M20B23 [ ] A year after the M20 was launched with the carburetted M20B20, the larger, fuel-injected M20B23 was introduced. The M20B23 uses the same head (known as '731') and block as the carbureted 2.0 litre but a longer 76.8 mm (3.0 in) stroke crank. The bore is 80 mm (3.1 in). Fuel injection is, the compression ratio is 9.5:1 and the redline is 6,400 rpm.