One DRL is half as bright as the other.

[mickjaguar]

It's generally the left headlamp when sitting in the driver's seat, as the same problem exists on both sides of the pond.

What is interesting is that both part numbers (left side lamps UK and US) despite being different have the same problem, so there the same dodgy component inside both.

As part of warranty claims the modules etc are checked, but it always seems to end up as replacement of the headlight unit. So I don't think there's any separate adjustment or driver fix usually.

[scm]

ok I guess it's easier to say passenger or driver side,

Easier but less definitive. But "nearside" was the equally non-definitive word used, which I believe some Americans don't even recognise.

[mnemonic111]

had the same problem wi=th my 2018 V6 convertible , Dealer has been approved to replace under extended warranty, Passenger side RHD