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Old 12-08-2011, 09:16 PM   #1
gravyface
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Tail light bulbs?

Ok, I'm reading this and call me what you will but I can't tell which one is supposed to be the P21/4W? The top left brake light is out and so is the bottom right brake light (although the warning being displayed only shows the left).

http://realoem.com/bmw/showparts.do?...59&hg=63&fg=20
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Old 12-08-2011, 09:22 PM   #2
1bmw1
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Looks like it would be either #4 or #5 based on the link you provided. The best way to check is engage the brake (have someone sit in the car, or put a heavy object on it) and check out the rear yourself and see which bulb is out. Then just replace it.
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Old 12-08-2011, 09:25 PM   #3
gravyface
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Quote:
Originally Posted by 1bmw1 View Post
Looks like it would be either #4 or #5 based on the link you provided. The best way to check is engage the brake (have someone sit in the car, or put a heavy object on it) and check out the rear yourself and see which bulb is out. Then just replace it.
Yeah, but I'm not sure which one of the bulbs in the assembly is for the P21/4W bulb, assuming there's only one per side. Picture doesn't really show that clearly.
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Old 12-08-2011, 09:42 PM   #4
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Ok, looks like the P21/4W is the dual filament bulb so that should be the bottom brake light (brighter when braking)?
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Old 12-08-2011, 10:19 PM   #5
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Wait, I think the dual filament was for pre-face light cars; mine's an '03.
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Old 12-08-2011, 10:24 PM   #6
1bmw1
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Sorry, i don't think i'm understanding you. Check which brake light is not working from outside the car, and then take that bulb out. Remember where it is on the outside, and take it out from the inside. I'm not sure what else you need to know.
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Old 12-08-2011, 10:29 PM   #7
steve.325i
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From the realoem link it looks like you have selected a prefacelifted tail.

I have a facelifted '03 and use the same buld in all four spots.

Canadaian Tire - GE Standard - P21W
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Old 12-08-2011, 10:37 PM   #8
gravyface
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Quote:
Originally Posted by steve.325i View Post
From the realoem link it looks like you have selected a prefacelifted tail.

I have a facelifted '03 and use the same buld in all four spots.

Canadaian Tire - GE Standard - P21W
Yeah, P21W all around.

From my VIN it's a Feb. '03 and it's the newer style, not sure why realoem.com is showing that unless they have the same data for both.

I'm pretty sure I saw a dual filament in the right side, so somebody must've replaced that with the wrong one by mistake.
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Old 12-09-2011, 12:02 AM   #9
steve.325i
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Yup, mine is a feb 03 as well.
And yes, when i use my vin on realoem, I get the same pic that you do. Definitely a prefacelifted tail.
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Old 12-09-2011, 07:21 AM   #10
gravyface
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FYI, no matter what year I choose at bmwfans.info's catalogue or realoem.com's catalogue, they only have the pre-facelift assembly with the three bulbs.
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