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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]
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).
2012-2016 F30 328i / 328iX (USA only) [3] [not specific enough to verify] 2012-2016 F22 228i / 228iX (USA only) 2014-2016 BMW 4 Series F32/F35/F36 428i SULEV (USA models) BMW in Canada, used N26 as replacement for N20 for only one year in 2016 as '28i models then replaced by B48 motor in '30i BMW models
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 ]
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. Markets such as the United States, Canada, Australia and ...
A hydraulic tappet, also known as a hydraulic valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine. Conventional solid valve lifters require regular adjusting to maintain a small clearance between the valve and its rocker or cam follower. This space prevents the parts from ...
Variable valve lift (VVL) is an automotive piston engine technology which varies the height a valve opens in order to improve performance, fuel economy or emissions. There are two main types of VVL: discrete, which employs fixed valve lift amounts, and continuous, which is able to vary the amount of lift.
With the new 3.2 models, Alpinas were now based on the 328i and its 2.8L engine, rather than 325i models. [27] Alpina B3 3.2. In 1995, the B8 was released. The B8 4.6 was based on the 4 litre V8 from the E34 5-series, put into a 328i-based shell. BMW V8s had coated bores which meant new blocks had to be cast by BMW specifically for Alpina V8s.