As some of you may have noticed, Goran has given me some more useful detail; in his thread ( http://forum.a8parts.co.uk/showthread.php?t=6302 started about 5 years ago!) about dismantling the seat to get at the lumbar pump unit.
It's beginning to look less of a "mission".
One fall-back plan I now have is much simpler though. Having "rummaged around" a bit there is actually enough access to slide something into the seat between the centre backrest panel and the lumbar support bladders.
As I almost always had/have both those supports (when working) fully inflated I can just make up a pad of the right dimensions (about 300*200 mm and 50mm thick) and slide it in there, maybe with a bit of Velcro to keep it aligned.
Though obviously, as a D2 S8 owner I really do want it working properly.  (Calm down IT!)
(If I fix this, which directly affects my driving comfort, I might even tackle my rear headrests next...  )
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2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions and extended leather. Ski hatch retrofit. Aftermarket reversing camera. DVB-T and XCarlink now removed as redundant.
2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation".  (Even rarer than a D2 S8!) Oh, and a brand new engine at just under 30,000 miles on the factory one! 
Finally: gone, but not forgotten.....
1998 D2 PF S8. Agate Grey/Platinum. Every option (I think) except electric rear seats, Tiptronic steering wheel, ski hatch, towbar & dimming door mirrors.
e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course.  (internal dimming mirror added later)
1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon. Added Auto-dim mirror, Leather seats, Trip computer, Cruise control, OEM Ford SatNav with CD changer.
And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850!
Last edited by HPsauce; 9th February 2018 at 02:50 PM.
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