29F5 is a fault stored in your BMW's memory (an ISTA fault code, not a standard OBD-II P-code).
Related codes: 290A · 293847 · 29CC · 29DC · 29E0 · 29E1 · 29F2 · 29F4
Decode your BMW's fault memory automatically in Telegram
Free reference for owners. Not affiliated with BMW AG; BMW and CarData are trademarks of BMW AG.