Today I had one of my headlight bulbs exchanged. It went out yesterday evening, after about 23000km of service (400 hours?)
Anyway, after struggling with the bracket behind the light, without seeing it and knowing what it really looked like, I drove my A2 to the dealer for replacement.
The mechanic unscrewed the two screws also shown in one of the guides above, slid the unit forward (after disconnecting it) and then it was as easy as anything to get at the bulbs.
Alignment of the screws was not that important, said the mechanic. It would only fit in one way, if you followed the markings.
Anyway, if I install the silvervision indicators, I'll do the same. But I'll apply some tipp-ex to the screws for alignment anyway.
I suggest that all DIY work to the headlights is done this way. Saves on scratches and bruises on your hand (I got mine after 15 minutes off fiddling...).
Full removal is easy, really.
And the bonnet fitted on the rear seat, with one of the doors open...
Hope that helps, for reassurance
Edo
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(2003 Silver 1.4 Tdi Exclusive(SE), 95bhp/235Nm chiptuned by ABT, black interior, sport seats, heated mirrors, JVC KD-SH909RB cd-receiver, Infinity Kappa 63.1 + Vifa on-dash tweeters, 12" Subwoofer on 300w Amp)