Traded in my Z4, so no longer need the SmartTOP anymore. It was one of the best investments I've ever made on the Z4 when I had it though.
$300 shipped.
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[Current] Tesla Model 3 Performance
[Retired] Audi R8 V10 6MT, BMW i3 BEV, BMW i3 REx, BMW Z4 sDrive35i DCT, BMW 335i Coupe 6MT