Do you need a VANOS solenoid for a N55?

N55 and N63 owners need to use this Vanos solenoid: N55/N63 Vanos Solenoids Our readers get 5% off vanos solenoids by clicking the link above and using the code “N54TUNERS” at checkout! These are only a few fault codes for the Vanos system, other codes could also indicate a failing Vanos system.

What are the fault codes for BMW VANOS?

The following fault codes are commonly found stored in BMW DME models related to VANOS faults: P0015 Crankshaft correlation value outside ref range 2A9A Cam sensor, inlet signal invalid for synchronization 2A98 (P0016) Crankshaft intake correlation value outside ref range 2A82 intake VANOS jammed mechanically

When to replace solenoids in BMW VANOS system?

Inspect for dirt or build up. Clean the solenoids and swap them. Reset VANOS adaptation and road test. If the issue follows the solenoid position change, replace the VANOS solenoids. If the fault is for both intake and exhaust it is recommended to replace both solenoids. Reset adaptation than road test.

What to do if you have a fault in your VANOS system?

The DME side of the circuit should have about 4 volts present with the key on and the engine OFF. If the fault is only for the intake or exhaust side, remove the Vanos solenoids from the engine. Inspect for dirt or build up.

What should I do if my VANOS solenoid goes away?

Inspecting VANOS solenoids once removed: Check VANOS solenoid for cleanliness and or debris. Clean both solenoids and reinstall. If the fault code for camshaft position sensor goes away or swaps position from intake to exhaust (or vice versa), the fault code is being caused by the VANOS solenoid.