Robs right! but i believe when factory fitted they must be auto adjusting and have light washer jets... but fitting aftermarket kits dont seem to have any laws.
but you could get a cop that is having a bad day and will be a dick, i just keep my standard bulbs in the boot if i was told to take them out
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Red Escort 1.6LX
Then - Red Escort 1.4
Then - Silver Fiesta ST 170BHP
Then - White Fiesta ST MR200+
Now - Mitsubishi Evo IV Forged 2.3 500BHP
and Mondeo Mk3 2.0TDCI