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      05-26-2023, 04:01 AM   #23
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Drives: BMW i8
Join Date: Jan 2022
Location: Espoo

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Quote:
Originally Posted by Bugs21 View Post
Hi, I've got the exact same problem with my BMWi8. I drove it in sports mode till 9 miles available but plugged in when I got home to find same massage "mains power to low to charge" I have bought a new charger & same issue. Took to neighbours house to charge same issue so not my electricity supply or charger. Please has anyone else got any idea's to help.
Many Thanks in advance.
Sorry to up a old post, but I think this is worth to know:

"Mains Power Too Low" is a common error message at various "early phase" PHEV BMW's from i3 to the 330e, 530e, 740e. Basically so called "KLE-unit" has gone bad meaning the car cannot be charged via the charging port. Only via internal combustion engine.

Symptoms will gradually evolve: Sometimes car will start to charge when unplugged and plugged back, sometimes the start of charging will take longer than normal as the KLE-unit is responsible to "shake hands" with the external charging station. If the owner is observant he / she will spot this, most wont. They only sees the issue when the KLE unit is "kaputt" and car wont accept charging.

Total cost to replace the KLE unit in Main Dealer in Europe is around 2000-3000 euros.

Do a Google search, this is a known issue.
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