I use an adapted Garden sprayer for the front sunroof drains. The rears I did last year by removing the back wheels and arch liners, although they were ok.
I've never done the Scuttle drains yet, I make a point of regularly removing the scuttle covers and going over the whole area with a vacuum to stop the crud getting down to the bottom.
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Manny
2004 A4 1.8T Sport Cabriolet, 89K Miles
Past
2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly
with retrofit AMI and DVB-T in place of Analogue
2003 Volvo S60 D5 SE Manual, 197K miles.
2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles
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