Feature:1. Applicable Model: Car perfume system refill is replacement for X1 X3 X4 X5 X6 X7 5 series 6 series 7 series, please confirm whether your model is applicable before buying.2. Long Lasting Fragrance: The car fragrance system supplement can continue to emit fragrance, so that the inside of the car fragrance lasting, maintain the pleasure of drivers and passengers.3. In Car Purification: The car fragrance system supplement not only emits fragrance, but also helps to purify the air in the car, remove odors and bacteria, and provide a cleaner and healthier driving environment.4. Versatile: The fragrance can be used to freshen and reduce various odors in the car, including formaldehyde, cigarettes, air conditioning odors, interior odors, and new car odors.5. Premium Supplement: Compared to replacing an entire fragrance system or buying a product such as a fragrance spray, choosing a refill can be more convenient and automated.Specification:Item Type: Car Perfume System RefillMaterial: PlasticFitment:Fit for G Chassis:Fit for X1 U11 U12 2022andFit for X3 G01 2017-2023Fit for X4 G02 2018-2023Fit for X5 G05 G18 2018-2023Fit for X6 G06 2019-2023Fit for X7 G07 2019-2023Fit for 5 Series G30 G31 2016-2023Fit for 5 Series G60 G68 2023andFit for 6 Series G32 217-2023Fit for 7 Series G11 G12 2015-2022Fit for 7 Series G70 2022and(The model must have the original car fragrance system to apply!)About Car Fragrance Answer:Normal use is only 1-3 months, the fragrance will be empty, and the shelf life of the fragrance is only 1 year. In fact, every time the fragrance is removed, there is a very strong smell, then why can't it work In fact, it is because the car system is slowly volatile chip data, after a period of time, the frequency of the car, slowly chip data from FF-AA-A0 (65,535 in the decimal system) dropped to 00, when it reaches zero, The machine will think that the perfume box has been used up, and the car will appear empty. When the chip data is all displayed as 00, the fragrance system naturally does not work.Package List:1 x Perfume System RefillNote:Confirm the model before purchase, and the model needs to have the original car fragrance system to apply!!!