Should I fit a racing chip to my BMW X3?

I would like to tune my 2004 BMW X3 2.0 diesel, which currently has 150PS. The racing chip will increase torque from 330 to 412Nm and raise output to 192PS. Do you think this will work with the X3?

Should I have my Lexus re-chipped?

My Lexus LS diesel has covered 83,000 miles and is trouble free, but my only concern is lack of power and poor economy (30-35 mpg). I'm considering having it re-chipped, would this be a good idea?

Where can I get my Audi A3 chipped?

I have a 2009 Audi A3 1.9TDIE, can you please advise if this engine is suitable for chipping upgrades such as DTUK or Chipexpress systems? If it is possible which would you recommend or are there other...

Do ECU tunes work?

Regarding ECU tune-ups. Do they increase the power/ torque/ mpg as stated? Are they worth the investment?

'Chipping' a Golf Plus?

Following your advice, I bought a Golf Plus with the 1.4TSi 122 engine in favour of the 2.0TDi. 23,000 miles and nearly three years on, I am delighted with the results. Fuel consumption at 36.7mpg from...

Chipping an Octavia

I want a cheap and nasty way to chip my Skoada Octavia, as I am lacking in power to tow my caravan over the hills in France and Europe. Not bothered is I need to splice wires and just add a resistor!

Chipping for fuel economy

Buying MB CLK 220 CDI. Should I get it chipped? Is there a downside to chipping? What should I expect by way of consumption and performance improvements? Who, if anybody, would you recommend?

Diesel chips

There seem to be a few different makes on the net. Do you have any reccommendations please? (Thanks for a great column; always interesting)

If we have our Mercedes-Benz A-Class chipped, will the warranty be void?

My wife has a Mercedes-Benz A160 CDi automatic with which she is very happy in terms of access and comfort, but she would like a little more power. I have read reviews and claims on Chip Express and it...