The BMW N53 was a naturally aspirated straight-six petrol engine produced from 2006 to 2013 that replaced the N52 in certain markets and debuted on the post-facelift E60 5 Series. In Europe it began replacing its port-injected parent in 2007, while the United States, Canada, Australia and Malaysia kept the N52 because the N53 was judged unsuitable for the high sulfur content of local fuel. Together the N52 and N53 were the last naturally aspirated straight-sixes BMW built, ending a run that began with the M30 in 1968. Compared with the N52 it uses direct injection with piezoelectric injectors and a stratified lean mixture, and its compression ratio rises to 12.0:1. It keeps double-VANOS and a magnesium alloy block but has no Valvetronic because of limited space in the head, and the bore and stroke of 85 by 88 millimetres match the N52. No M version was built.
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The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
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The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
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The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
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The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
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The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
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The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
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The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
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The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
Of Make: BMW, Lead, make
The BMW N53 is a naturally aspirated straight-6 petrol engine which was produced from 2006 to 2013.
Part Of: BMW 5 Series (E60), Lead, first application
The N53 replaced the BMW N52 in certain markets and debuted on the post-facelift E60 5 Series.
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