P0456 on Your 2024 X5: Quick Investigation
Your 2024 X5 (G05 LCI—refreshed) has flagged P0456—a very small EVAP leak. The B58 3.0L turbo (xDrive40i) or S68 4.4L twin-turbo V8 (xDrive50e/M60i) uses BMW's DMTL pump. Fully covered under BMW's 4yr/50k warranty through 2028.
Clues
- Check engine light on
- P0456 stored
- No drivability issues
- Fuel filler may have debris
Suspects
- Fuel Filler Seal (High Likelihood): Debris in filler. $0 warranty.
- DMTL Pump (High Likelihood): BMW's active leak detection. $0 warranty.
- Purge Valve (Medium Likelihood): Manufacturing variance. $0 warranty.
- Software Calibration (Low Likelihood): DMTL sensitivity. $0 warranty update.
What to Do
- Clean fuel filler area
- BMW dealer appointment—covered through 2028
- Free warranty repair via ISTA diagnostics
Cost
- Under warranty: $0
- 4yr/50k through 2028
- Federal emissions through 2032
Can I Drive?
Yes. P0456 has zero impact on the engine, xDrive, towing, or air suspension.
Warranty
BMW's 4yr/50k through 2028. Federal emissions 8yr/80k through 2032. Fully covered.