BMW 5 Series
P0400
The P0400 code indicates a problem with the exhaust gas recirculation (EGR) system in a BMW 5 Series G30/G31 (2017-2024), which can lead to increased emissions and potential engine performance issues.
1 SolutionP-CodePowertrain
P
Error Code Type
Powertrain
Symptoms
5 common
- •Check engine light illuminated
- •Rough idle or engine stalling
- •Decreased fuel efficiency
- +2 more
Most Affected Generations
1 generation
G30
1
Severity Levels
1 level
medium
1
Quick Facts
1
Total Solutions
0
Affected Components
5
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code P0400 across all generations.