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Lighting Forum
Angel Eyes, DDEs, lighted rings, Clear Turn Signals, LEDs, Xenon, HID, or Bi-Xenon. If it lights up and you want to discuss it, post here!

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Old 09-04-2006, 02:28 PM   #1
Join Date: Jul 2006
Location: Montreal
Posts: 106
My Ride: 2001 330iA
Exclamation What is the final word on 55w vs 80w vs 100w?!

I have a huge dilemma.

After a full night browsing these forums I am getting very mixed messages when it comes to replacement bulbs for the high-beams (H7) and fog-lights (9006 HB4).

I have basically narrowed it down to two types. The Predator Xenix 100w bulbs and the SPP Superwhite 55w (or 80w) bulbs.

What bothers me about this process is some owners claim having 100w bulbs will fry electrical wiring, melt housings, and even start a freaking engine fire??! Yet despite this, I have seen members with older Bimmers (1999's and 2000's) claim they never had a problem with 80w or 100w bulbs... they never mentioned that they put in better wiring either to replace the factory ones.

My car is a 2001 330i Premium with xenon low-beams. I live in Montreal, Canada, where the majority of the year is rather cold (that should ease things with 100w bulbs a bit). I have found out that installing 100w H7s in the High-Beams only run at 55w when the DRL's are active, and 100w when the high-beams are activated.

The fog-lights are a different story. I'd like to put them on during the night continuously while driving (for a little bling factor and it gets humid/foggy around here too)... so I'm more worried about that than the H7's.

What are your experiences with 100w, 55w, and 80w bulbs? I would hate to go ahead with the 100w purchase and then have to pay an arm and a leg to get it repaired if something goes wrong... but 55w for xenon-colored lights seems like low light output.


(BTW I'm about to buy chromiums, and the Xenix bulbs from JleviSW but need these answered first!)
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