BMW Z4 oil and filter change
An engine oil and filter renewal is one of the most straightforward maintenance jobs you can do yourself, as Martynn explains after working on his BMW Z4.
BMW Z4 Tips and Tutorials Archive
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How to stop noisy tappets
Are your engine's tappets noisy when you start it from cold? You could spend a lot of time and money replacing them or you could try this fix that's worked for Martynn's BMW Z4...