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Discussion Starter · #1 ·
Hello

I recently bought a new replacement alternator from rock auto.com for 2001 bmw 325i. It's not a valeo, but a tyc brand. The case is the same, but the new alternator has 2 positive terminal on the back. B1+ and B2+.

Do I need to connect both of them or just the B1+?
 
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