BMW 335i E92 New Performance style spoiler from UK Seller

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Hey guys! So after searching for months for a used or a cheaper version of performance spoiler, i finally bought one!

I couldn't justify buying a genuine BMW one for nearly £400 quid and didn't want to wait a month and pay customs for the Chinese version, so I managed to find a UK Seller!
Next day delivery and costed me £62.19 from eBay.

Anyway, it is unpainted so I am thinking of just vinyl wrapping it.
What do you guys think of the spoiler? I know can't tell unless put it on my car but I can't test it on yet as my car is in the garage for satin black wheel colour change. But it looks promising.

Two questions: which 3M tape should i use for this spoiler?
And will it be fine just vinyl wrapping it? or should i prime it first? or plastidip it?

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Anyone? which 3M double tape should i be using?

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Thanks.

I ordered the vinyl as it was only £4. i'll give it a go and then get it painted.

Will the adhesive be fine on the vinyl wrap on the body? basically my car is vinyl wrapped so don't want the adhesive to basically pull the vinyl off or burn with the chemicals.