Despite being called lifetime, BMW automatic transmissions benefit greatly from fluid and filter service — and neglected fluid leads to harsh, slipping, or jerky shifts. At Inline Autohaus in Chattanooga, we service BMW transmissions to keep shifting smooth and extend their life.
Transmission fluid degrades over time even though BMW labels it lifetime, and worn fluid causes shifting problems and accelerates wear. The mechatronic unit and its seals can also leak. Fresh fluid, a new filter and pan, and addressing leaks restore smooth operation.
Do BMW transmissions really need fluid changes?
Yes — despite the lifetime label, periodic fluid service helps prevent shifting problems and extends transmission life.
How often should I service my BMW transmission?
Many specialists recommend roughly every 60,000 miles, though it varies with driving.
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