Content by Muffler in February, 2026

Same here. Last version was a complete nightmare, with my having to eventually delete one of the files before it would load, but this time it all worked seamlessly.

Yep, head up regularly to Derbyshire and those two locations always come in handy. Always reliable and never had to queue for a charger, even at peak times, although varying traffic conditions can add fairly significantly to the ‘time out’ on your journey, depending on how you catch things.

Also, disconnecting the 12V battery for a couple of mins can help if a module keeps failing to update

Anyone gone further and tried to update Tbox and Ctbox - requires USB updates followed by SIPS but haven’t managed to figure the correct folder/file combination for car to recognise update(s) on my USB.

It’s in the file name…

Agreed. Bought mine outright with a long term view so not particularly fussed from a purely selfish perspective.

Always hated the washer nozzles on mine. Whilst the idea of producing a mist pattern seems great, in practice there’s no one position that works across the whole speed range. Because the mist is more susceptible to changes in speed, if you optimise them for motorway speeds then they’re too high...

That’s insane! Doesn’t say a lot for residual values…

Yep, 160 miles winter range is commonplace for me. Mind you keeping up with people on the M11 is quite a battery killer at times 😇

Hard/heavy braking at full charge is also effective for cleaning the disks as regen is disabled at 100%