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**D-O** · 06-16-2025, 04:40 PM

How sure are we that cluster failure is related to trickle chargers? I am not qualified to make that determination and I am wondering if you gents are spitballing a theory, or if you are confident this is the cause.

I had to have my cluster repaired in March, and my car spends a lot of time on a Battery Tender Plus which is probably more than twenty years old. Is it time to retire this thing and get something newer?

**D-O** · 06-16-2025, 05:13 PM

Battery Tender's take on desulfating:

Why Battery Tender® Doesn’t Use Desulfation—and What That Means for Your Battery

https://www.batterytender.com/blogs/battery-tender-blog/why-battery-tender%C2%AE-doesn-t-use-desulfation-and-what-that-means-for-your-battery?srsltid=AfmBOooolAGcpMOT4cMMLhjbvw57ptWjo-Spua31vY8xdTPwrwQKO6uw

Batteries are the unsung heroes of our motorized lives, powering everything from our cars and boats to motorcycles and personal watercraft. But like any hardworking component, they wear down over time, and one of the biggest challenges they face is sulfation. What is Sulfation?Sulfation happens when sulfate crystals bu

The whole paperclip thing seems weak, but what do I know.

**beyondm3** · 06-19-2025, 01:20 AM

Closing the loop on my fix, Scott (https://www.bmwgm5.com) fixed mine quickly and relatively inexpensive. Would recommend..

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Instrument Cluster Repair

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