BMW Questions? Ask a BMW Repair Expert for Answers.
a noise from one wheel would commonly be a failing wheel bearing
the noise from the engine would possibly be a belt driven component starting to fail (alternator, compressor, etc)
also a failure of the crankcase ventilation system can commonly cause noises as well.
I would suggest checking for excess suction under the filler oil cap with the engine running. if there is high suction, don't drive the car. if there is not high suction, assuming performance has not been affected, then it should be okay to drive a short distance to a shop, but you should pay keen attention to performance and watch for any warnings such as an overheat, battery, etc.
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