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      05-21-2019, 12:53 PM   #26
Skyline2.0
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Drives: 2018 BMW X1 xDrive
Join Date: Sep 2018
Location: United States

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For all the rear bulb housing that goes into the socket, can someone confirm:

1. Number of pins - is it 2 or 3 pin design?
2. Pin orientation - if 2 pin design, are they spaced out 180 or 150 degrees from each other?
3. Can you use P21W bulb types for all 5 bulbs? Per BMW service manual, the turn indicator (side panel), rear light/brake light (side panel), rear fog light (tailgate) and reversing light (tailgate) are all P21W. But, the rear light (tailgate) requires a W5W bulb.

I'm looking into swapping all the rear bulbs to LEDs, but want to make sure I get the correct types the first time around. Want to avoid removing the rear taillight assemblies just to find out I got the wrong bulb types.

Thanks a lot.