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Got the car, all lights worked, but idrive and dash stated rear signal lights malfunction.
Went to mechanic.
He stated it was the bulbs, and told me which ones. But all my lights worked....hmmm.
Changed them, and malfunction gone.
The thing to note: my 335i Sedan is a Sept 2006 built.
Also when I said my cars lights all worked.... Kinda not true.
I didn't realize it, till I paid attention to another e90 I was following.
Then I realized, my turn signals were lighting up a different bulb.
Hmmmm.
BMW has smarts in it, that if a bulb goes out, it compensates to use another, so, that the safety of the driver is not sacrificed.
Hence why we see a malfunction, rather than a really fast turn signal.
Just thought I put my experience to you.
DN
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