Invaluable and much appreciated information. I just ordered all of the supplies and will be tackling this project in the near future. The creaks and squeaks from the rear area has been an ongoing irritation and you have inspired me! I haven't attempted a headliner removal yet but I really want to mimic what you have accomplished. Nice work!

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2012 X5d fully deleted
SPD Custon Tune,
6r80 Stage 2 trans clutches,
Colt cams, hybrid turbos,
ported head and manifold,
VRSF intercooler,
Dual HPFP's, 100% over injectors,