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First marketed in March 2005, the car quickly became BMW Group's best-selling car worldwide, and by the end of the year 229,900 vehicles had been delivered. [76] The BMW E90 series was the best-selling luxury car in Canada and the United States. The 2006 E90 marked the 15th consecutive year that the 3 Series was named on Car and Driver's 10Best.
The BMW N52 is a naturally aspirated straight-6 petrol engine which was produced from 2004 to 2015. The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series . The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. [ 1 ]
Murphy oil pressure gauges with switches that activate on low pressure. Oil pressure is an important factor in the longevity of most internal combustion engines. [1] With a forced lubrication system (invented by Frederick Lanchester), oil is picked up by a positive displacement oil pump and forced through oil galleries (passageways) into bearings, such as the main bearings, big end bearings ...
The 8HP 70 transmission with the gearset 4 in 23-85-teeth-configuration was the pilot series and therefore without generation designation. It was first used in the BMW 7 Series (F01) 760Li, has a torque handling limit of 700 N⋅m (516 lb⋅ft), and weighs 87 kg (192 lb).
The N54 has two small low-pressure turbochargers to minimise turbo lag. BMW's marketed the twin-turbo as "TwinPower Turbo", [10] although the term has since been used for engines which have a single twin-scroll turbocharger. [11] [12] The boost pressure is 8 psi (0.55 bar) and an air-to-air intercooler is used.
The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013. The N53 replaced the BMW N52 in certain markets and debuted on the post-facelift E60 5 Series . In European markets, the N53 began to replace its port injected parent, the BMW N52 in 2007.
BMW also introduced a separate hatchback model under the 3 Series nameplate called the 3 Series Gran Turismo (F34). The F30 is the first generation of the 3 Series to be powered by a range of turbocharged engines exclusively and electric power steering (replacing the hydraulic power steering systems used previously). [ 4 ]
Owners report shift issues when oil begins breaking down beyond 50K miles, hence shifting issues are common. [ citation needed ] There are also problems with the valve block and solenoids [ citation needed ] When this failure starts to occur, shift quality and speed, torque transfer and even loss of ability to engage gears can occur.