BMW E39 Individual with special options

The BMW E39 is the fourth generation of BMW 5 Series, 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 E39 was replaced by the E60 5 Series in 2003, however E39 Touring models remained in production until May 2004.

The proportion of chassis components using aluminium significantly increased for the E39, and it was the first 5 Series to use aluminium for all major components in the front suspension or any in the rear. It was also the first 5 Series where a four-cylinder diesel engine was available. Rack and pinion steering was used for four- and six-cylinder models, the first time that a 5 Series has used this steering system in significant volumes. Unlike its E34 predecessor and E60 successor, the E39 was not available with all-wheel drive.

The high performance E39 M5 sedan was introduced in 1998, powered by a 4.9 L (299 cu in) DOHC V8 engine. It was the first M5 model to be powered by a V8 engine.

Development for the E34's successor began in 1989,[citation needed] and ended in 1995. The final design by Joji Nagashima was selected in June 1992[8][9] and later frozen for production under new design chief Chris Bangle. With design selection in 1992, the series development phase began and took 39 months till start of production. The domestic German design patent was filed on 20 April 1994, with an E39 prototype.

In May 1995 BMW published the first official photos of the E39. The E39 premiered in September 1995 at the Frankfurt Motor Show. In December 1995 sales of sedan models began on the European mainland. Production of wagon/estate models began in November 1996.

The E39 was one of the first vehicles (alongside the E38 7 Series) to have curtain airbags, which protect the occupants' heads in a side impact.[16] Standard equipment on the launch models included dual front and side airbags, pretensioners and load limiters for the front seatbelts, anti-lock brakes, traction control, power steering, and air conditioning.[18][19] Satellite navigation was also available, initially using maps on CD-ROMs, then moving to DVD maps in 2002. Several models were available in Sports or Executive trim levels.

Special options available options on wagon models were either a roller blind or extending cargo cover with patrician net for the rear cargo area, roller sun visors for rear and side windows.

A "latent heat accumulator" was available as an option up until September 1999. The accumulator stores engine heat by converting a salt from solid to liquid form (phase transition). The insulated tank can store heat for several days. The next time the vehicle is started, this heat is automatically used to reduce exhaust emissions (by heating the engine up to operating temperature quicker), for cabin heating and window defrosting.

Separate to the latent heat accumulator is the Residual Heat function (activated by a button labelled "REST"),(p104) which allows the demister and cabin heater to use the heat of an engine that has recently been turned off (using an electric pump to push hot coolant through the heater core).

At launch, the petrol engines consisted of the BMW M52 straight-6 and the BMW M62 V8. In late 1998, the "technical update" (TÜ) versions of these engines were introduced, introducing double VANOS to the M52 and single VANOS to the M62, primarily to increase torque at low rpm. For the facelift of the model range in the year 2000, the M52 was replaced by the BMW M54 straight-6 engine, however the M62TÜ remained in use for the V8 models. The M54B30 used in the 530i model topped the Ward's 10 Best Engines list in 2002 and 2003.

The initial diesel models used the BMW M51 turbocharged straight-6 engine. In 1998, its successor the BMW M57 was introduced in the 530d model, however the BMW M51 engine continued to be used for two more years in the 525td and 525tds models.

In 1999, the M47 four-cylinder turbo-diesel was introduced in the 520d model, which is the only E39 model to use a four-cylinder engine.

Six-cylinder petrol models were fitted with either the 5-speed Getrag 250G or ZF 320Z (S5-32) transmission, depending on the year and model. Diesel models with the M51 engine were fitted with the 5-speed ZF 260Z transmission, while the M57 diesel models were fitted with the 5-speed ZF 390 (S5-39DZ) transmission. V8 petrol models were fitted with the 6-speed Getrag 420G transmission.

Some pre-facelift six-cylinder petrol models were fitted with the 4-speed GM 4L30-E (A4S270R)[39] transmission. All other six-cylinder models were fitted with 5-speed transmissions, either the GM 5L40-E (A5S360R),[39] GM 5L40-E (A5S390R),[39] or ZF 5HP19 (A5S325Z) transmission, depending on the year and model. V8 petrol models were fitted with either the 5-speed ZF 5HP24 (A5S440Z) or the 5-speed ZF 5HP30 (A5S560Z)

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