BMW Questions? Ask a BMW Repair Expert for Answers.
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
Some models do have a noisey oil pump or engine to where it can whine some.One thing you can ask is ask the dealer if you can operate a vehicle just like yours to compare it to.If it makes the same noise then most likely it is normal unfortunately.But if the other vehicles do not make this noise here I would have them checked the drive belt and pulleys for any belt damage or pulley bearings that may be starting to fail as this can cause this fault here.
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