The 5L40-E (and similar 5L50) are a series of automatic transmissions made by

General Motors The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and ...

. Designed for

longitudinal engine In automotive engineering, a longitudinal engine is an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, front to back. Use This type of motor is usually used for rear-wheel drive cars, except ...

configurations, the series includes 5 forward gears and is used in the GM Sigma platform vehicles from

Cadillac The Cadillac Motor Car Division () is a division of the American automobile manufacturer General Motors (GM) that designs and builds luxury vehicles. Its major markets are the United States, Canada, and China. Cadillac models are distributed i ...

, the Pontiac Solstice, BMW, and

Holden Commodore The Holden Commodore is a full-size car that was sold by Holden from 1978 to 2020. It was manufactured from 1978 to 2017 in Australia and from 1979 to 1990 in New Zealand, with production of the locally manufactured versions in Australia endin ...

. The electronically controlled transmission is designed around a fully articulated Ravigneaux gearset that is controlled by electronically timed application of several range-specific hydraulic clutches, in combination with mechanical one-way sprag clutches. The 5L40E unit's centerpiece is an automatic

overdrive Overdrive may refer to: Organizations * OverDrive, Inc., a digital distributor of entertainment media ** OverDrive Media Console, a media player developed by OverDrive, Inc. * Overdrive PC, a subsidiary of Velocity Micro Technology * Overdrive ...

which supersedes the French-made 4L30E four-speed automatic light-duty gearboxes, and like them features a torque converter clutch to eliminate slipping losses in select forward ranges. It is assembled in Strasbourg, France. The 5L40/50 series was replaced in 2007 with the 6L50 six-speed.

5L40-E (A5S360R)

The 5L40-E was designated in either "M82" ( rear-wheel drive) or "MX5" ( all-wheel drive) versions for service in BMW vehicles from 1999 model year until the design was superseded by (for BMW) the 6L45E and (for all others) the 6L50E series electronic automatic transmissions in 2007 . It is designed for service in vehicles up to 4000 lb (1814 kg) GVWR and in service was mated to a selection of final drive ratios 3.42:1, 3.73:1, or 3.91:1 depending on the carline. The 5L40-E had been designed for 1.8–3.6 L engines with a maximum of 250 ft·lbf (340 N·m) of torque. It was underrated when used in combination of M57D30 engines. As the M57D30 rated torque output of 390/410Nm. Gear ratios: Applications: * 3.42:1 M82 ** 2004–2006 Cadillac CTS (RWD) ** 2005–2006

Cadillac STS The Cadillac STS (Seville Touring Sedan) is a mid-sized luxury 4-door sedan manufactured and marketed by General Motors from 2004 to 2011 for the 2005 to 2011 model years. A version of the STS was sold in China as the SLS through 2013. It was ...

(RWD) * 3.73:1 M82 ** 2004–2006

Cadillac SRX The Cadillac SRX is a mid-size luxury SUV and compact luxury crossover SUV (CUV) manufactured and marketed by Cadillac over two generations: the first generation as a five-door, three-row, seven-passenger CUV (2003–2009), and the second genera ...

(RWD) * 3.91:1 M82 ** 2006-2009 Pontiac Solstice ** 2007-2009 Saturn Sky * 2.92:1 M82 ** 2004–2006 Holden WL Statesman/Caprice (RWD) ** 2004–2006 Holden VZ Commodore (RWD) ** 2005–2009 Chevrolet Omega (RWD) ** 2006–2009 Holden VE Commodore (RWD) ** 2008–2009 Pontiac G8 (RWD) * 3.42:1 MX5 ** 2004–2006 Cadillac CTS (AWD) ** 2004–2006

(AWD) * 3.91:1 MX5 ** 2004–2006

(AWD) * 3.08:1 ** BMW 3 Series (E46) *

BMW 5 Series (E39) The BMW E39 is the fourth generation of the BMW 5 Series range of executive cars, which was manufactured from 1995 to 2004. It was launched in the sedan body style, with the station wagon body style (marketed as "Touring") introduced in 1996. The ...

Underrated when used with M57D30 engines * BMW Z3

5L50 (A5S390R)

The 5L50 is engineered to handle the stresses from vehicles weighing up to 5000 lb (2268 kg) GVWR. Final drive ratios include 2.93:1 and 3.23:1. The 5L50 can handle up to 311 ft·lbf (422 N·m) of torque. Gear ratios: Applications: * 2.93:1 M22 ** 2004–2006 Cadillac XLR * 3.23:1 MV3/M22 ** 2005–2006

** 2004–2006

** 2001-2004 BMW X5 E53 3.0d ** 2001-2006 BMW 325XI, 330XI E46 2.5i, 3.0i ** 2004-2006 BMW 330CD E46 3.0d

References

{{DEFAULTSORT:Gm 5l40-E Transmission General Motors transmissions, 5L40-E

5L40-E (A5S360R)

5L50 (A5S390R)

See also

Other links

References