Hello folks, has anybody done R90 pump to 530D LCI (235 ps)? I have hybrid turbo and Wagner IC setup and would like to get even more rail pressure.

When I switch the R70 for R90 does it require an immidiate ECU tweak or would it just run 1:1 as such?

I know that I would need different rail sensor to run higher tgan 1700 but I woukd first do the pump switch hence wandering if I can have it done by any BMW folk or a tune must be done for the R90 to work with the M57N2 motor and ECU management?

Thanks very much for any feedback