Instead: Hydrate with H2O. One of the best measures you can take to avoid kidney stones is to drink plenty of water, leading you to urinate a lot. So, be sure to keep well hydrated, especially when engaging in exercise or activities that cause a lot of sweating. It's Not Just the Oxalate.
You didn't say what year or model BMW. The service intervals vary a huge amount between models a years. BMW built since the mid-1980s have a service indicator. You should change the oil when the service indicator tells you to. On BMWs that specify synthetic oil, you should change the oil when the indicator counts down to zero or once a year whichever comes first.
In the event your BMW travels considerably less than 6,200 miles (10,000 km) annually, the oil should still be changed once a year, as it will age despite infrequent usage. Irvine BMW Service Frequently Asked Questions: We are happy to see your interest in maintaining your BMW in a timely schedule.he Service Interval Indicator continually evaluates your BMW's actual performance condition and accurately determines when your car requires service. In most instances this will mean fewer service visits, since maintenance is needed only when your BMW calls for it.