2008 BMW M6 P1630, U1141 codes

Question

D.SC. Malfunction, reduced power message

Answer 1

P1630 Throttle actuator valve

U1141 Throttle valve actuator

The code condition you have is the throttle valve actuator, the U code is message this is where a reduce power mode is in place, the resolve is straight forward with a throttle actuator is needed