We did wheel alignments for our E70 at East Coast Suspension in Taren Point recently, they specialise in racing cars, BMWs, Ferraris, Porsche etc

Alternatively you could try Heasman Steering at Sydneham or Spinning Wheel Tyres at Waterloo, heard good review about them.

__________________
'07 X5 3.0d - Black Sapphire Metallic / Camel interior
Specs: Sport pack, Executive, 7 Seats, OEM 336, Hifi
Mods: Aero Kits, Titanium grilles, 4.8i exhaust, Tinted, ///M Footrest, OEM Sport pedals, OEM Rubber mats, OEM Sunshades, LCI Taillights