Quote:
Originally Posted by RobinLegin
Thanks guys. The a/c is on now all the time. Will get the dealer to look at it.
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You may wish to consider using a car aircon purifier (aerosol which contains anti fungal and antibacterial agents). You basically run aircon on recirculate mode, place canister in footwell, press discharge button and vacate car. Leave aircon running for 10 mins and problem solved. Several makes/brands but have given links of types available. Your BMW dealer would change aircon filter and use this but charge £100+ for privilege.
https://www.halfords.com/motoring/en...purifier-150ml
https://www.halfords.com/motoring/en...ir-con-cleaner
They work, but may need repeat every 6 months or so, usually problem caused by rare/infrequent aircon use (something which also allows aircon system seals to dry out and fail). Modern car aircon systems needs to be left on permanently, even in winter,