Bmw's z4 roadster is equipped with this technology.
View Bmw Z4 Oil Level Check PNG. This is necessary to receive an accurate oil level reading. If your engine is leaking oil or burning oil at a fast pace, it is important that you recognise it.
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A most bmw models from the early '80s on have some form of oil level sender/sensor that will generate a warning when the engine oil level goes these sending units do fail and they generate false low oil warnings. Bmw's z4 roadster is equipped with this technology. You can download the manual from the internet and the instructions can be found on page 88.
Checking the oil in a z4 is fairly easy and should be done once a month.
Since bmw has oil level sensor, there is no need to have dipstick. We recommend checking your bmw's oil level at least once a month, and before you set off on a long journey. This is necessary to receive an accurate oil level reading. Work with a cool engine.