2017年7月17日 · Hi, I'm currently experiencing a problem with the Valvetronic system on my BMW with N52 engine and it would be great if I could get some advice. So I've removed the …

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 …

这套系统由发动机管理系统控制，主要控制气门行程的特性曲线，通过当前驾驶员加速踏板的负荷要求，根据气缸需要额定进气量，目前环境温度，发动机水温，机油温度等信号，换算为气门 …

2022年12月16日 · Engineers at BMW have come up with an ingenious idea of regulating how much air enters their naturally aspirated engines by electronically adjusting valve lift timing. …

2023年10月1日 · BMW Fault Code Lookup - BMWFaultCodes Check the eccentric shaft sensor connector on both banks for oil contamination. Remove valve cover and check for excessive …

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 …

2013年12月11日 · ISTA/D is the dealership diagnostics program used by BMW, it reads the error codes and gives you repair plans based on those codes. 2) Looks correct to me, although, it's …

2014年12月11日 · VVT是Variable Valve Timing（可变气门正时）的简写，这完全是另一个系统，用液压驱动的，上世纪就在N多发动机上都有应用，属于老技术了；而Valvetronic是可变气 …

BMW VANOS（连续可变气门定时）和Valetronic（连续可变气门升程）共同组成了电子气门控制系统，这几乎是一套完美的发动机进气控制系统。 发动机的负荷完全通过 电子气门 控制，通 …

2022年12月13日 · The P1055 code is a BMW-specific Diagnostic Trouble Code (DTC) related to the Valvetronic system found on most modern BMW engines. The Valvetronic system is …