I also purchased a BPS H4 lighting kit recently and have installed it. Seems to be working well. Slightly different design to the one you purchased but it still clears the dust cap which made me happy. Way better at night than the stock bulbs.
For those who may also buy these and doesn't read instructions like me, the retaining plate comes off and you install that first, then stick the dust cap back on, then twist the bulb in there. I would also consider some additional weatherproofing on the connections.
My DRL function doesn't work, and the seller on Amazon has the CANBUS module like you do. Would you recommend this as a sure fix to the DRL problem? The seller said it might
work, with no guarantee. Would you mind posting the link to your CANBUS module if it still exists?
Lights I purchased: Link
CANBUS module that might work: Link
I can't remember where I read this (edit: You and other forum posters
) but I think the Micra uses the high-beam filament on a low current to have DRL function, and this either isn't enough current to drive the LED, or the computer isn't detecting enough resistance to flip the relay(?), or something like that.
Post install pic, LED on the left and stock halogen on the right: