(Part 2) Top products from r/e39

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We found 1 product mention on r/e39. We ranked the 21 resulting products by number of redditors who mentioned them. Here are the products ranked 21-40. You can also go back to the previous section.

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Top comments that mention products on r/e39:

u/ajkd92 · 2 pointsr/e39

Can’t say for sure, but here’s my guess:

FSU - final stage unit, or final stage resistor. It’s part of the HVAC system, easily accessible from the passenger side footwell. My current sedan had an electrical drain that I couldn’t figure out. HVAC wasn’t acting up during use, but I noticed one day that the fan sounded like it was blowing after the car had been off for over an hour. Replaced the FSU and no more ghost fan nor electrical drain!