BMW Valvetronic Sensor Faults 2a67 and 2a63 Causing Stalling Misfires and Rough Running

This is a problem I have seen on many BMW's. This applies to all vehicles with valvetronic especially on the N46, N51, N52, and N52K engines. In this video I go over what to check on the N46 Engine and what the common cause of this problem is attributed to.

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BMW Valvetronic Variable Valve Lift
BWM Valvetronic Electronic Valve Lift Get the book and DVD here: Valvetronic engines use a combination of hardware and programing to abolish the need for a regular throttle mechanism. Valvetronic varies the lift of the intake valves. Based on signals formerly taken mechanically from the accelerator pedal position sensor, the stepper motor changes the phase of the eccentric cam, modifying the action of the intake valves.This system has a conventional intake cam, but it also uses a secondary eccentric shaft with a series of levers and cam followers, activated by an electronic stepper motor. The Valvetronic engine replaces the function of the throttle body by using infinitely variable intake valve lift. Valvetronic has its own computer housed in a separate unit away from the engine management system, networked through CAN network with the digital engine management system incorporating a 40-megahertz, 32 or 64 bit computer. Valvetronic reduces maintenance costs, lowers Exhaust emissions, improves cold start behavior, and provides a smoother running engine. It also does not need specific fuel grades or fuel qualities because of its fine atomization of fuel. Because Valvetronic allows the engine to breathe ... Get the whole story right here in this video... Enjoy... Amazon Printed-Books & Kindle: d-keywords=mandy+concepcion Google Play Android APPs: Amazon Video DVDs: -keywords=mandy+concepcion Barnes & Noble Nook: tore=allproducts Apple iTunes iPad:

BMW E90 E91 E92 E93 Valvetronic Motor Diagnosis Fault
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Сервопривод системы вальветроник bmw n46
Применимо к ошибкам valvetronic: P100F, P1057, P1062, P1050. Как определить исправность электродвигателя вальветроник (valvetronic), сравнение неисправного и исправного электродвигателей. DIS говорит, чтобы проверить, исправен ли электродвигатель, который через червячную передачу регулирует угол опережения зажигания, нужно проверить сопротивление между каждым из двух контактов на разъёме подключения и корпусом. Если электродвигатель исправен, то как утверждает DIS и здравый смысл, сопротивление между обмотками двигателя, а так же между любой обмоткой и корпусом, должно быть бесконечным. В противном случае, если сопротивление не бесконечное, мы можем увидеть, что одна или обе обметки замкнуты на корпус (сгорел лак на изоляции проводов обмотки и, когда произошло короткое замыкание, они приварились к корпусу.

BMW 3 Series Eccentric Shaft Position Sensor Replacement e90
BMW 3 Series Eccentric Shaft Position Sensor Replacement. All of the photos and instructions were taken directly from: c_Shaft_Position_Sensor_Replacing/FUEL-Eccentric_Shaft_Position_Sensor_Repl acing.htm