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Hello, i have bmw xd 520 2021 , anyone had any experience with coding manual recirculation button. On my car once you activate manual recirculation it keeps the air circulating with in the cab for 2-7 minutes and then starts taking in the fresh air, after a while and in cold weather starts doing that almost every minute and when you are in traffic it is taking all other cars exhaust smelly air in the cab . Please help, one of the dealers told me it is normal for all BMWs to do that and always turn manual button off automatically . any idea? so far I shut off condensation prevention- beschlegsvermeidung, i translated these: kreis regelung wcc-circle regulation wcc and umluft auto aus-recirculation car off i am not sure what they do, still didn't try them. If anyone have detailed cheat code sheet for AC pls share. Thanks
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