The Vanos system in BMW vehicles, synonymous with the brand's quest for engineering excellence, is a marvel of modern automobile design. But what exactly is Plus if it works you will end up saving atleast a 1000 USD if you were to do all the work yourself by installing a remanufactured vanos unit from online places like Mr. Vanos, Dr. Vanos, etc. And you would save loads more if you were to get the parts and work done at a BMW dealership. / / / The vanos position and eccentric shaft position move around with revs and load as they should. Actual and commanded values are within 1 degree. The eccentric shaft value is around 23-24 at idle. (All these values are in degrees) I can hear a faint thunk sound then the value changes to a static 121 commanded 119 actual for the cam timing (both Any BMW car from 1993 or later is likely to have the BMW VANOS engine with a valve timing system. Valve timing defines the performance, power and efficiency of an engine. To drive your BMW and keep it in an ideal condition, you must find out VANOS engine working, types and ways to recognise failure signs. What does VANOS stand for on BMW? MAF and the airbox will have to removed prior to the steps below. For illustration purpose, here is the location of the Vanos-Valve Selenoid (Bank 1 /Cyl 1-4 (Passenger side - US cars) ). See red marks. This would be the location after the MAF housing removed. Here is the picture of the actual Vanos-Valve Selenoid unit. So the SECOND step is to check with your local Dealer, and BMW NA if necessary (THEN NHTSA ;-) for a determination of whether YOUR VEHICLE is "Affected" by the Recall. The FIRST Step is to use an Endoscope (see below) to visualize the VANOS bolts (at least two at a time) on the Intake cam. Reportedly per Forum Posts (I have endoscope below, but BMW / By The GearShifters Team. The Vanos system that you likely have in your BMW uses oil pressure to control the position of the intake and exhaust camshafts utilizing a gear on the Vanos actuator and on the camshaft. The quantity of applied oil pressure is managed using a solenoid, which is a lengthy coil of wire that has been wrapped It's the description of the VANOS as mentioned in the BMW WDS. Variable camshaft timing control (VANOS) In the S62 engine with MSS52, a controlled VANOS unit is fitted for both inlet and exhaust sides and is termed double VANOS. The VANOS system serves the purpose of increasing torque in the lower and medium engine speed ranges. KDMZ8.

how does bmw vanos work