Everything You Need To Know About BMW N55 & S55 Valvetronic Eccentric Shaft Replacement Engineers have been looking for ways to improve the internal combustion engine since its creation. When replacing the valvetronic motor it is often a good idea to replace the eccentric shaft as well but it requires some special tools. The replacement valvetronic motor was covered, supposedly.
Now they want to replace the valvetronic shaft and oil spray nozzle, which are separate parts (?) for $3568. Hi all, this is my first substantive post here. Backstory, I picked up a 2009 4.8i Sport knowing it smoked at idle.
Eccentric Shaft Actuator 11377603979 For BMW E71 2011-2013 Valvetronic ...
I took the easiest route first. STEP 1 - Review Installation Procedure Review online install videos by searching for, "Remove Replace Install Valvetronic Motor Actuator Eccentric Shaft BMW N20 N55 S55 N54 Torque Specs" to familiarize yourself with procedure and required tools. Discussion on diagnosing and resolving Valvetronic actuator and eccentric shaft issues in BMW vehicles.
BMW Valvetronic is one of the most variable valve lift systems used today when it's working. All high-mileage Valvetronic systems have trouble with their eccentric shaft actuators, so replacing. The eccentric shaft is a vital part of your BMW's Valvetronic system, responsible for adjusting the lift of the intake valves without using a traditional throttle body.
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As the eccentric shaft rotates, it changes the position of intermediate rocker arms, controlling how much the intake valves open - which directly affects engine airflow, fuel economy, emissions, and throttle response. Eccentric Shaft Valvetronic Actuator kit for BMW 535i 740i X3 X5 N55 3.0. Camshaft Adjusting Actuator Valvetronic for BMW 128i 328i 528i 530i Z4 X3 X5.
BMW Drivetrain Malfunction: Valvetronic Eccentric Shaft Actuator No Movement - Diagnosis & Repair MotorCarNut 55.7K subscribers Subscribed.
