Quote:
Originally Posted by e34m5
How would the dealer know this?
Yeah. Old story that started way back with the E46's which supposedly said you could go 15k mi between oil changes.
I always changed the oil every 5000 mi. In the E46's there is a way to reset the oil counter w/o having a special tool.
I suspect the same will be true of the E82.
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no special tools needed to reset service info. all your service needs are now called conditioned based service or CBS. this includes your oil service, brakes, brake flush, and vehicle check. from e70 on, certain items such as microfilters, spark plugs, trans fluid, and engine air filters are paired with certain oil services. our e82's and e88's will follow this type of service schedule.
resetting the cbs data is difference for different cars. for e9x you bring up the service info by pressing the left cluster button for 10 seconds and then use the knurled wheel on the turn signal stalk and bring up the desired service info you want to reset (shown in the little display between your tach and speedo), when you get the desired service you hit the button on the end of the same stalk and then 'reset' will come up in the instrument cluster and then you hit the button again to perform the reset. on e6x and e70, everything is done though the left cluster button. hold for 10, hit it repeatedly to bring up the desired service, and then hold to reset.
if your car is still under the maintenance warranty don't reset any of the lights or it'll appear to the dealer that your car is not due for service. this is determined via a key reader that pulls info out of your key which contains the schedule for all cbs maintenance.
so if you want to do an oil service at 5000, just do it and leave the cbs data alone. the resetting procedure is good to know after your maintenance warranty runs out so you don't constantly get the 'service due' warning every time you turn your car on.