Every time I start my BMW 5 Series, I hear a high-pitched whining noise coming from the engine. What could be causing this and how can I fix it?
ReplyThe whining noise could be due to a faulty alternator, which is responsible for charging the battery and powering the electrical system. I would recommend bringing your BMW to a certified mechanic for a diagnostic test to confirm this issue.
Another potential cause of the whining noise could be a loose or worn belt. As your engine runs, the belt may be slipping and causing the noise. Check the belt tension and replace any worn belts if necessary.
In some cases, the whining noise could be caused by low power steering fluid. Check the fluid level and top it off if needed. If the noise persists, it could be a sign of a leak in the power steering system.
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