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Hello
Need advice tuning the BMW vanos inlet & exhaust.
For time consuming and less Dyno runs, shall I degree both cams at same the time or start with the inlet and then retard the exhaust ?
Knowing it's Ganna mess the VE and the ignition
Thank you
khalil,
As a general rule, and specifically for your question:
Adjusting one variable at a time is best unless you already know what the outcome of adjusting two things at once will be.