Auto Wash / Car Wash (game-ready) for Unity3d and Unreal Engine:
You can buy it here: https://www.gest.lt/store/wbzkb/modular-car-wash-unity-unreal-engine
Unity3d link: https://assetstore.unity.com/packages/3d/environments/urban/modular-car-wash-225163
UE link: https://www.unrealengine.com/marketplace/en-US/product/1132f4d0bcbc45a5aa7a0d9493bd0250