BMW M3 M4 Coolant Reservoir Expansion Tank Replacement - DIY (F80 F82 F83)

[@manalkhalid6289]

Wow berry nice bideo!! Im got question...
What are some signs that indicate the coolant reservoir expansion tank needs to be replaced? Also, how often should this replacement be done to maintain optimal performance?

[@krys42091]

Thanks for the video, fam 🙏 I'm literally about to start this project on my F80. Appreciate you.