01-27-2018, 10:21 AM | #1 |
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Rear Daytime Driving Lights
I coded to activate both inner and outer daytime driving lights so they are on all the time now with light switch set on auto. What are those lights for other than DRL? So if I didn't activate them they just sit there doing nothing like the rear fog lights? they occupy a huge area on the rear light fixtures.
See the pictures of both pre-LCI nad LCI rear light fixtures by Andrewc89: http://f87.bimmerpost.com/forums/sho....php?t=1450178 Last edited by JB330Ci; 01-27-2018 at 10:38 AM.. |
01-28-2018, 05:31 PM | #2 |
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I used Bimmercode to code this on MY17. Apart from the Park Lights now on I'm also seeing another inner light bulb on in the brake light section below (pre-LCI). I wasn't aware the brake lights were even divided and I'm not able to check to see what bulbs now light up when braking.
Do you see any other section light up (besides park light) after you had this coded on your LCI? |
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01-29-2018, 01:37 AM | #3 | |
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Brake force display Concept Additional brake lamps indicate emergency braking to the traffic behind. This can reduce the risk of a rear-end collision. General information ▷ During normal brake application, the outer brake lights light up. ▷ During heavy brake application, the inner brake lights additionally light up. I also coded brake force display to flashing at 5 times per second instead of just on. |
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01-29-2018, 08:25 AM | #4 |
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Thanks for info, I forgot about BFD
So if they're also on with Rear DRL activated then I might also need to code BFD to 'flashing' as well. Do you mind sharing info you used? |
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03-13-2018, 02:59 PM | #7 | |
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03-13-2018, 03:13 PM | #8 | ||
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The inner normally functions as BFD (brake force display) in the USA. In other parts of the world it may be a fog light. The outer is your standard tail light that's on at night. This pic demonstrates how it will behave from the factory without any coding: You can code in the BFD to work as a fog light like the europeans, and you can also code in either the night light and/or BFD as a day time running light. Quote:
I would suggest doing that. The inner lights for both LCI and pre lci do not make good DRL's. I personally believe only the outers should be used as DRL (for both aesthetic and safety reasons). Last edited by AndrewC1989; 03-13-2018 at 09:28 PM.. |
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03-13-2018, 04:14 PM | #9 |
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Thanks Andrew...just what I needed to know. Just looking for the DRLt to be lit. i think it would be better to have the brake light and fog light activated when using Brake force display. In that case is the inner brake light they refer to actually the fog lamp?
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03-13-2018, 04:50 PM | #10 | |
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Coding in fogs does NOT remove the BFD light function. You can have them function as both fogs and BFD lights. It's just smarter to code them to flash for BFD rather than to just illuminate normally if you're going to be using them as fogs as well. This way people driving behind you can easily tell the two apart. This thread will show the different ways you can code in BFD: http://f80.bimmerpost.com/forums/sho....php?t=1225913 This thread will explain how to add coding for fog function: http://f87.bimmerpost.com/forums/sho....php?t=1450178 Yes. Fog lights in europe = BFD lights in USA. Same light. 2 different purposes. Last edited by AndrewC1989; 03-13-2018 at 07:30 PM.. |
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03-13-2018, 04:55 PM | #11 |
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Thanks again bro.... i just did the DRL outer and its good. I will look at the BFD later. I just turned it on in its default setting in bimmercode so no idea if it is both lights or just one and if it is the outer or inner etc. What is the bimmercode default? I will look at it more later
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03-13-2018, 11:10 PM | #13 | |
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You can change this to flashing which is much better. You can choose a flashing speed of 3 times per sec or 5/sec. The third brake light on top of the rear windshield will also flash. You can also code in euro BFD which will flash the actual brake lights instead of the fogs. Same speeds can be picked, 3 or 5/sec. I am using US style BFD lights in flashing mode at 5/sec. Flashing rate can only be changed on cars with LED bulbs. Doesn't have to be LCI but must be LED. More info: http://f87.bimmerpost.com/forums/sho....php?t=1450410 |
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