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VANOS units on the intake and exhaust camshafts of a BMW N52 engine. VANOS is a variable valve timing system used by BMW on various automotive petrol engines since 1992. The name is an abbreviation of the German words for variable camshaft timing (German: variable Nockenwellensteuerung).
Valvetronic system of the BMW N52 engine. The Valvetronic system is a BMW variable valve lift system [1] which, in combination with VANOS, allows infinite adjustment of the intake valve timing and lift. [2] [3] The system claims to improve fuel economy and emissions, and negates the need for a throttle body in regular use. [4]
This was BMW's first engine to use variable valve timing. [2] Called single VANOS by BMW, the system adjusted the phasing of the intake camshaft. [3] The M50 began to be phased out following the introduction of the M52 engine in 1994. The E36 M3 is powered by the S50 engine series, which is a high output version of the M50.
The N62 was a clean sheet design and not a direct evolution of the M60 engine line that evolved into the M62 engine. The N62 4.4L has a bore of 92 mm (3.6 in) and stroke of 82.7 mm (3.26 in) for a total displacement of 4,398cc and features double-VANOS variable valve timing on both the intake and exhaust camshafts (the M62 features variable valve timing on only the intake camshaft). [7]
The BMW versions of the Prince engine are known as the N13 and the Mini versions are N12 (Double VANOS, Valvetronic 88 kW (118 hp) at 6000 rpm) in 2007–2010 Cooper; N14 (Single VANOS, Turbocharged 128 kW (171 hp) at 5500 rpm) in 2007–2010 Cooper-S; N14 (Single VANOS, Turbocharged 155 kW (208 hp) at 6000 rpm) in 2009–2013 JCW Cooper; N16 ...
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 ]
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The variable valve timing (VANOS) is a continuously variable design and is present on both the intake and exhaust camshafts. The VANOS units were designed as integral components of the chain drive, and the adjustment ranges are 63 degrees for the intake camshaft and 60 degrees for the exhaust camshaft. [4] The redline for the N73 is 6,500 rpm.