Rear brake light bulbs

liveevil · 03-29-2021, 06:40 PM

Hi,

Has anyone replaced the rear brake lights before? Seems easy.

Realoem mentions H21W bulbs but a quick search seems to suggest that the f30 are using p21W.

Thanks!

Billfitz · 03-29-2021, 09:50 PM

Mine were H21W, which I replaced with LED. F34 and F30 don't use all the same bulbs.

erickonphoenix · 03-29-2021, 09:57 PM

It's not a difficult job but be mindful when removing the bulb cradle. The tabs are very easy to break off, especially if you're doing the task in cold weather.

Billfitz · 03-29-2021, 10:04 PM

Cold weather in Singapore?

liveevil · 03-29-2021, 10:14 PM

Quote:

Originally Posted by Billfitz

Mine were H21W, which I replaced with LED. F34 and F30 don't use all the same bulbs.

This is very helpful!

Does it require any coding when replacing with LED? Is it just brighter or? If so, may need to change both sides.

Possible to share the link if you still have it?

Billfitz · 03-29-2021, 10:26 PM

LED are brighter and react faster. Coding is always required with LED. I used these:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

The manufacturer part # is B01LW2IPSR, search that to find a source local to you.

liveevil · 03-29-2021, 10:29 PM

Quote:

Originally Posted by Billfitz

Cold weather in Singapore?

It is summer all year round

03-29-2021, 06:40 PM	#1
liveevil Private First Class 35 Rep 172 Posts Drives: 2013 BMW 320i GT Join Date: Dec 2015 Location: Singapore iTrader: (0)	Rear brake light bulbs Hi, Has anyone replaced the rear brake lights before? Seems easy. Realoem mentions H21W bulbs but a quick search seems to suggest that the f30 are using p21W. Thanks!
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03-29-2021, 09:50 PM	#2
Billfitz Lieutenant General 8218 Rep 16,054 Posts Drives: '15 328iX GT Join Date: Jan 2015 Location: New Hampshire iTrader: (0)	Mine were H21W, which I replaced with LED. F34 and F30 don't use all the same bulbs.
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03-29-2021, 09:57 PM	#3
erickonphoenix Lieutenant 1721 Rep 535 Posts Drives: 2014 Gray 328xi Touring Join Date: Jun 2015 Location: Houston TX iTrader: (0)	It's not a difficult job but be mindful when removing the bulb cradle. The tabs are very easy to break off, especially if you're doing the task in cold weather.
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03-29-2021, 10:04 PM	#4
Billfitz Lieutenant General 8218 Rep 16,054 Posts Drives: '15 328iX GT Join Date: Jan 2015 Location: New Hampshire iTrader: (0)	Cold weather in Singapore?
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03-29-2021, 10:26 PM	#6
Billfitz Lieutenant General 8218 Rep 16,054 Posts Drives: '15 328iX GT Join Date: Jan 2015 Location: New Hampshire iTrader: (0)	LED are brighter and react faster. Coding is always required with LED. I used these: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 The manufacturer part # is B01LW2IPSR, search that to find a source local to you.
	Appreciate 0 Quote