Sorry for the misunderstanding there. I've just realised that I will need to inform my insurance company about this box. If the police saw it after a collision and checked with them whether it had been declared I really would be in a heap of ****.

If you heard my Disco at 70 you wouldn't speed! I once tried 80 on a quiet straight and it sounded like the engine was about to explode!

Redhand - I never speed and never feel the want to in my Discovery. There's nothing illegal about having a little more acceleration. :D

Well it's done 133 000 miles with only two owners and I'm the second. So my guess is its been in for a while. The injectors will probably need replacing pretty soon anyway due to its mileage. The car is serviced very thoroughly by myself and has a full history so I have absolutely no concerns...

Okay guys, just set it to 7 and boy it goes! Pulling out of junctions is now much faster and I can hold onto gears for much longer. I'm going to run it at 7 for a day or two then set it to 9 and I will report back.. Very excited! Can't believe I didn't know what it was and I've had the car for a...

Thanks for the info guys. I don't think I'll sell it. I would be interested to see what kind of performance gains I'll get if I try it on 9. can't believe I thought it was a diagnostic tool! If I was to plug it into a laptop, what software do you reckon I'd need to make it actually do something...

Hi there, I've found a little black box next to my battery in my 2004 Discovery Td5's engine bay. I was wondering of anyone here can identify it for me? As you can see the plug says 'Power Plug' on it. Is this a brand name? Googling just brings up pictures of plugs. It is...

One careful lady owner is it? :D