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E34 (1989 - 1995)

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  #1  
Old 01-21-2013, 08:51 PM
Hardcore BmwGuy Hardcore BmwGuy is offline
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Is a Relay Harness Necessary???

Hey ladies & gents, wondering if i really need a relay harness for my HID fog lights and possibly my headlights? I have a 535i and the HID's are 35w i also bought Light Decoders for the headlights/fog lights so it wont throw codes or bring a check engine light on! I would appreciate some input on this THANKS!









Heres my car i love her!!

Last edited by Hardcore BmwGuy; 01-21-2013 at 08:53 PM.
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  #2  
Old 01-22-2013, 08:12 AM
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BMWFatherFigure BMWFatherFigure is offline
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Where abouts in the loom were you thinking of putting the relay and why?
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  #3  
Old 01-22-2013, 12:23 PM
Hardcore BmwGuy Hardcore BmwGuy is offline
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i was thinking ,putting relays in both fogs and headlights so they wont blow out or draw to much current when i have them on, id rather be safe than sorry brand new hid's
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  #4  
Old 01-22-2013, 12:32 PM
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BMWFatherFigure BMWFatherFigure is offline
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THe HIDs draw less current than the standard units. I don't see the problem.
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  #5  
Old 01-22-2013, 08:25 PM
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luckydog luckydog is offline
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the plugs should be plug and play .

Last edited by luckydog; 01-22-2013 at 08:30 PM.
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  #6  
Old 01-22-2013, 08:30 PM
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_Ethrty-Andy_ _Ethrty-Andy_ is offline
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I know this modification is illegal in my country, the E34 light isn't designed to take HIDs and the beam pattern is significantly altered to the point where it has the potential to blind oncoming drivers, especially in the middle of the night.

would be worth checking up on your local laws if you havent already!
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  #7  
Old 01-22-2013, 08:41 PM
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luckydog luckydog is offline
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The door is pretty wide open here on lighting now in the West on existing lighting upgrades .Im sure there are a few retentive states. All euro spec car lights are hid, i understand. They must be aimed down and away as the light projects farther.
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  #8  
Old 01-22-2013, 08:43 PM
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_Ethrty-Andy_ _Ethrty-Andy_ is offline
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Quote:
Originally Posted by luckydog View Post
The door is pretty wide open here on lighting now in the West on existing lighting upgrades .Im sure there are a few retentive states. All euro spec car lights are hid, i understand. They must be aimed down and away as the light projects farther.
do you mean E34 or newer euro cars?

AFAIK no E34 ever had HIDs from the factory. MAYBE the 540i, ive never owned one of those, but i doubt it
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  #9  
Old 01-23-2013, 04:06 PM
Hardcore BmwGuy Hardcore BmwGuy is offline
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Thanks for the input you guys i will try to adjust the headlights down so i dont blind other drivers, but the funny thing is when im driving at night, I dont know if its just me but these cars on the road now and days there headlights are so BRIGHTTTT!! seems light there flashing there lights at me every 5 seconds but its them hitting bumps lol
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  #10  
Old 01-23-2013, 07:27 PM
snowsled7 snowsled7 is offline
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Please read the link.

http://www.danielsternlighting.com/t...nversions.html

This guy is an expert. You really need to just put them back on ebay.
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  #11  
Old 01-26-2013, 04:04 AM
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BMWFatherFigure BMWFatherFigure is offline
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OEM HID's are compensated for vehicle load etc. After market are just a really bright light. The beam shape could be really weird too.
BTW overall current draw is not affected by 'putting a relay in'. Only the current through the dash switch contacts (presuming it is wired in correctly).
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Good - Fast - Cheap: Pick any two.
Current:
E23 735i; E32 735iL (X 2 - 1 Alpine White and 1 Glacier Blue); E34 535i; E38 735iL; R50 Cooper; R55 Cooper Clubman.
Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i

Last edited by BMWFatherFigure; 01-26-2013 at 04:06 AM.
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