Just re-pickup my car at BMW TW centre, where it has been ACS spring installed
Special thnaks to Ken and his colleagues from there, where they did good job, though this is their first F10 spring swap and it took 5 days to complete.
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2011 F10 535i Sophisto Grey/Oyster, ACS spring, Forged 1, Michelin PSS, Eisemann Quad-Exhaust,
2013 991 Carrera S PDK, Aqua Blue/Beige, PSE, PDCC, Sport Chrono Package, Paddle Shift Steering Wheel, PDLS--delivery in July2013