Quote:
Originally Posted by Sparky66
BMW's have either Valvetronic (N52)- 325,328,330 or VANOS (N54)- 335i. No need for cams, as cam timing and lift is variably controlled by moving the cams position by a mechanical actuator electronically controlled as needed by the engines input management system. The system is self learning and applies the necessary timing adjustments as more HP is created. Ingenious really !!!  |
Hmmm I thought vanos didn't change lift or duration but just timing/cam angle in an infinitely variable way.
Valvetronic gives you the full boat of control.
Am I wrong?