I change my fog lamp light to LED type. Just replace the bulb only. no cutting no modify, very easy to DIY.
The original Halogen bulb is very hot to the touch after switching on for 1 minute, no wonder some owner facing fog lamp cover melt. So I never switch on my fog lamp until today.
Using LED Pros:
1. Low electricity consumption 3.6W only. The original osram bulb is 35W.
2. Cool, very cool, can't feel any heat at all, infact the fog light front cover is still cool after I test drive for 30 minutes.
3. The light color matching the K5 Day Running Light LED. It looks better now with fog light siwitch on.
Cons:
1. Dim, can't really see the difference whether I switch on the fog lamp or not. That is because our K5 HID head light is bright and white color, so with the original halogen yellow bulb, you can see yellow light, whereas the LED is more to white color.
2. Fog lamp are suppose to use yellow color bulb, so if you go genting often and u need to use the fog lamp, I don't recommend using white/blueish light.
The LED Bulb vs Halogen Bulb.
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Back view of the bulb
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Before and after replacement.
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BEFORE and AFTER installing LED
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Left halogen, Right LED.
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Left Halogen, Right LED
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After replace both side to LED
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niceeee.. wanted to buy back some for own use too, but just worried if wont last