Title: Make sure your engine block is METAL
Product review: I bought this for my vehicle, BMW X5, without knowing my engine block is all aluminum lol. Needless to say, this product is still sitting in my garage. Overall, the product does heat up pretty quick and the magnet is pretty strong when tested on metal surface. Just like other reviews, I can see the plastic housing melting so I'm giving this product 4stars. If you plan on never removing this device, then you should be ok.
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