Compatibility BMW 1 Series F20/F21 (2011 2019) BMW 3 Series F30/F31 (2011 2019) Key benefits Accurate oil checks: The oil dipstick tube guides smooth insertion and removal of the dipstick, enabling clean, accurate oil level readings. Supports routine maintenance by making oil checks easier and more reliable during regular servicing. Maintains proper alignment: The engine dipstick guide holds the dipstick securely in place, preventing misalignment or damage. Reduces the risk of breakage and ensures the dipstick reaches the correct depth every time it is used. Durable and stable support: This dipstick holder stays firmly mounted to the engine, resisting movement or vibration during driving. Contributes to engine bay stability and supports longterm use without shifting or loosening. Use scenarios During scheduled oil changes on BMW 1 Series F20/F21 and 3 Series F30/F31, to ensure quick, reliable level readings. After engine work or servicing where dipstick alignment could be disrupted, stabilizing the dipstick for repeatable checks. While driving on rough roads or under engine vibration, where a secure dipstick guide helps prevent misreads and potential spills. Notes Size and material specifications are not stated; the design emphasizes compatibility, accurate readings, secure alignment, and stable engine bay support.