Ballast Replacement!

Kozmo86 · 10-20-2011, 06:59 PM

Does anyone know how to replace the Xenon Ballast on an e90?! Replaced the bulbs today... turns out it wasn't the bulbs! Went out and bought the ballast which put a nice hole in my pocket. FML

BoostedBarrett · 10-22-2011, 10:16 AM

I did it. Purchase a ballast on eBay, for around $115. Then you take the fender well off. Unscrew the side of the bumper you need to get some room. There are 2 star screws holding the ballast on, it helps greatly having a small ratchet wrench to do this. Xenon ballast comes off easily. With the bumper loose loosen the visa me screws on the light to be able to pull the ballast out. I had to take out the screws on the of the kidney grilles. This will allow the replacement of the ballast without removing the bumper. It's easy.

tcharged · 04-28-2012, 12:06 AM

Could someone post pics of this to me? How do you do this? Is putting a used ballast on an issue? How do you know if it's not the control unit or the ballast that has failed?

10-20-2011, 06:59 PM	#1
Kozmo86 Second Lieutenant 9 Rep 200 Posts Drives: e90 335i Saphire Black Join Date: May 2007 Location: Brooklyn, New York iTrader: (0)	Ballast Replacement! Does anyone know how to replace the Xenon Ballast on an e90?! Replaced the bulbs today... turns out it wasn't the bulbs! Went out and bought the ballast which put a nice hole in my pocket. FML __________________ 2007 E90 Black Sapphire l Terra Dakota Leather l OEM Carbon Fiber Spolier l OEM Carbon Fiber Splitters l 35% Tints l 19" VMR V-714 Staggered Hyper Black Wheels w/Kumho Tires http://www.myspace.com/kozmo630
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10-22-2011, 10:16 AM	#2
BoostedBarrett Second Lieutenant 27 Rep 255 Posts Drives: 2016 M3 CS Join Date: Feb 2011 Location: Chattanooga, TN iTrader: (1)	I did it. Purchase a ballast on eBay, for around $115. Then you take the fender well off. Unscrew the side of the bumper you need to get some room. There are 2 star screws holding the ballast on, it helps greatly having a small ratchet wrench to do this. Xenon ballast comes off easily. With the bumper loose loosen the visa me screws on the light to be able to pull the ballast out. I had to take out the screws on the of the kidney grilles. This will allow the replacement of the ballast without removing the bumper. It's easy.
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04-28-2012, 12:06 AM	#3
tcharged Banned 27 Rep 299 Posts Drives: bunch of them Join Date: Apr 2012 Location: Toronto iTrader: (1)	Could someone post pics of this to me? How do you do this? Is putting a used ballast on an issue? How do you know if it's not the control unit or the ballast that has failed?
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