Replaced coolant reservoir tank - split from top to bottom on weekend.
BMW quote $310 !!! got same at Euro parts for $225.
10 min job to change-out.

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X5 4.4i 2006 sports package, Titanium silver, Sports exhaust with Xpipe, Limo tint, 20" wheels 168's (Black), 25mm H&R wheel spacers& arch flares all round - Loud........

Work in progress -:
Replace BMW Ipod system with DICE - installed but no sound yet??