If it helps, I have a J10 Tekna and I bought this 16” spare wheel kit on eBay. The Bose sub woofer fits nice and snug inside it. Although the kit says it’s for the J11, it will fit the J10b 2010 - 2013.

Thanks Dave. It looks like there’s only enough depth for a safe wheel rather than a full size one. I’ve since found out I need a 17” rather than 16” for the sub woofer to fit. It looks like they carried over the same Bose sub woofer from the J10 to the J11.
Thanks for your time in replying

Hi Dave,
I have just acquired a J10b Tekna with the Bose sub woofer. Would the same idea apply?

Thanks gloucester.

Hi everyone, I’ve just joined. I bought a J10b 2013 Tekna 1.6 petrol in November. Absolutely flawless with just 38,000 miles. It’s my second QQ. First was a 2007 Visia with I happily sold on with 93,000 on the clock. I’ve just had a detachable swan neck tow bar fitted to my ‘new’ one and bought a Th...