What benefit are you looking for OP? These days I switch between momo or sparco aftermarket wheel in my SM or Porsche OEM wheel in my street car and I can’t say it makes any difference at all, other than being able to get out of the SM easier due to the detachability.
Go with OEM electronic wheel if you want alcantara rim + gadget, or get a custom steering wheel cover if you want the alcantara feel (and get the tricolor M stripes in the 12 o clock position while you are at it)
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