[MarkW83]

Thanks Rick and Shiva, that's good news. BMWforLife: you'd be surprised. The lip and CF spoilers - both weighing less than this one - I've had on my 335d and 135i did make the boot open differently: it didn't open as much as before the spoiler was installed, for instance, so it did affect it in some way, and compromised the full opening or the boot. Hence, before committing to having something stuck to my car, I just wanted to be sure, that's all, as I love the CA feature and I wouldn't have wanted it to be compromised. I didn't ask if it would be 'so heavy' or ask if it would make CA 'worthless'; I asked if it would affect it at all, e.g. if the boot wouldn't open *as much*, that's all.