There is a member here that was able to fit the Esotar 430 drivers in his E93 using just the standard type ring I made for the E90. The Esotars are only listed at 42mm deep though so he's probably right on the edge as far as clearance.
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2016 Porsche Cayman GTS - Sapphire Blue / Black Full Leather Interior / Carrera S Wheels
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