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These valves have been unpopular with some drivers and are sometimes removed in favour of a conventional clutch action. [2] The BMW valve takes the form of a separate pipe fitting and is easily removed. Honda has also used clutch delay valves on some Civic models, which are integral to the clutch slave cylinder and must be dismantled in situ. [3]
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 ...
In 2018, BMW produced 20 M3 Velocity Edition models that were only available for purchase to military members stationed in Stuttgart, Germany. [156] The Velocity Edition is equipped with the Competition Package and is only available in the "Fashion Grey Metallic" colour. A laser engraved dash/engine strut denotes the number of 20 cars made.
The M3 is the most performance oriented version of the 3 Series. It is designed and developed by BMW's in-house motorsport division, BMW M. M3 models have been derived from the E30, E36, E46, E90/E92/E93, and F30 (designated F80) 3 series and have been marketed with coupé, sedan and convertible body styles. Upgrades over the "standard" 3 ...
The all-wheel drive BMW X3 and rear-wheel drive BMW 320d models, built approximately between September 2001 and December 2004, were fitted with the M47TÜ ("M47 Technical Update"). The exact production week is not known and was probably later than Production Week 33 in 2001 (e.g. one cannot rely on a UK 51 plate registered BMW 320d to have the ...
Valve float is an adverse condition which can occur at high engine speeds [1] when the poppet valves in an internal combustion engine valvetrain do not properly follow the closure phase of the cam lobe profile. This reduces engine efficiency and performance.
The BMW S65 is a naturally aspirated V8 petrol engine which was produced from 2007 to 2013. Its main use was in the BMW M3 (where it replaced the BMW S54 straight-six engine). There is no direct replacement for the S65, since the following generation of M3 switched to a turbocharged straight-six engine (the BMW S55 ).
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]