Just a quick one guys, my 850R wont seem to boost over 0.8bar on the MBC with it wound pritty much all the way out, ive tightened the actuator arm like suggested which made a slight improvement.
Ive now though borrowed a 304 mapped ecu but still have the MBC fitted, and again it still will only go to 0.8 bar and doesnt even boost off the standard gauge white bit.
Could the MBC be stopping the mapped ecu boosting to its full potentional?
Any ideas?
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