Modifying budget LED driving lights

Doing the Alps in next few weeks on this. So this years budget Chinese touring bike
has a little short sighted night time use. I've a headlight pattern that's like a bar code with no real light throw in front, so keeping costs down and power consumption also, I've bought some Cree 125w (15w eqv halogen use) LED's to fit less the ugly cages.

Problem, the light given off is very much like a pointed laser with no flood light spread which is what I really want. The lenses' are very pointed and really need a flat lens with a fog light type diffuser.
Has anyone ever played around with these units to get a broader beam?
I don't intend paying top end prices for driving lamps and sure other people have similar viewpoints. In all fairness I do enjoy having a challenge to make things

 

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I've taken the lens off completely and it's like a shot gun.
Thought about a 35mm camera lens as the diameter is around 60mm (guessed). Moving the standard lens out does nothing really other than leak from the sides.

 

Bet it's raining at yours dave??