[ficklerx]

I got the reduced power limp warning this morning while moving the car. BMWhat showed the above code.

Any ideas as to what this is?

[iaknown]

This may help:

A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts
4300
4300 - P0001
Information saved in
DDE
Fault code
4300 - P0001
Fault text
DDE: Delivery control valve, activation: Open circuit
Fault description
The DDE recognizes an open-circuit error at the output
stage:
Flow control valve.
Condition for fault identification
Test condition:
The check frequency depends on the process sequence
control.
Voltage condition:
The check frequency depends on the process sequence
control.
Condition for fault memory entry
Debounce (100 ms)
Action in service
1. Check wires and plug connections.
2. If wiring and plug connections are OK:
Replace fuel-quantity control valve.
If the fault reoccurs:
Replace DDE control module.