Usually there is rattling noise inside them, loose pieces of junk/metal. They usually last a long time, I still have the original on my 97 540 with 82k miles.
Use the search feature on this forum to read similar posts.
Does it smell kinda "sweet"? If it does, then it's coolant....not good if that's the case. White smoke also suggests moisture (coolant) presence in combustion.
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Related Threads
?
?
?
?
?
BMW Werkz
668.8K posts
97.6K members
Since 2003
A forum community dedicated to all BMW owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for your favorite models!