All i can say is we have people on here with odd electrical faults that go when they change back to normal bulbs, the led one seam to throw the system out.
 
Same as @RangeRoller dt , no and no. I don't see that the high likelihood of faults being thrown, is worth trying to pretend your vehicle is newer than it is. Get the best , correct for vehicle, bulb, which doesn't blind other drivers, and drive happy :)
 
I hate the new bulbs.

Often I get blinded by a low down KA/Golf even though I am im lifted up hugely. I went to great trouble get my beams realigned after lifting my P38, for others to drive around blinding everyone legitimately!?

Years ago you would get booked for driving around with full/beam on because there is a slight chance of rain - why do they do it!!!
 

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