I have HIDs as main lights, they work really well and LEDs on high beam, not as strong as HIDs but work OK.
Now, lets debate those main beams shall we
I have tried all the major LED H7 styles available and one of two issues bugs them all.
1) they just aint bright enough!!! go take them out and try a regular set of halogens in, or better yet a ultra bright H7 halogen and see the difference, it really is too hard to ignore.
2) The ones ones that are bright enough are designed wrong
The ones I refer to are the CREE style with separate LED drivers that look like HID Ballasts. They have 2 x 25w cree bulbs either side of a wafer and a fan on the back of the bulb unit. The are plenty bright enough but as a halogen produces a 360 degree light source and these produce 2 x 115 degree light sources you get a totally mental / destroyed beam pattern that lights the top of trees and the first 3 feet of road in front of the car!!
Stick to Halogens, and get some 100w rally spec ones to give you some range over the HID's
You get what you pay for! :-)
The LEDs above use the latest technology from CREE (the XB-D is their latest diode Cree XLamp XB-D LEDs
) and the seller is based in UK with great ratings.
I personally don't think is expensive to spend £30 for a pair of the best side-lights available and that you will probably never have to change!
My only concern is if they would be TOO bright for oncoming traffic?
They might be the best CRee bulbs around but there are two key factors to consider.
1) They are assembled for the lowest cost by hand in a small factory in China, and the rest of the parts used to stabilise the voltage will be of the lowest quality known to man. These parts will fail and the bulbs will no longer work. Trust me I have had loads go this way.
2) The original 22w halogen produced a certain amount of lumen's, if you stick a massive power Cree bulb in its place it will be like having a 55w halogen main beam light flashing orange every time you indicate. Try and spec the power of the bulbs (in lumen's) to the OE brightness to avoid an MOT fail and annoying every other road user.
Those sides wont go through the holes in the headlight by the looks of it. you have around 11mm max and that varies headlight to headlight, so check with the vendor before you waste your money.
In terms of matching lights. I spent a lot of time matching intensity and lumen's on every bulb change in the car so I achieved the styling goals without creating issues. There is a guide with suggestions on my blog, feel free to ignore it and slap in some massive power lights though, its a free country.