I have a BMW 118 ES Coupe, which I purchased new in 2011. I love the car and would like to keep it over the long term, but I would like to try and avoid the costly DPF bills down the road. I ...

The DPF is a critical emissions control component in modern diesel vehicles, but it can wear out over time. Here's what to do when the DPF light appears.

I own a 2010 BMW 5 Series. In recent months the car has reported high oil levels after a DPF regeneration. I presume fuel is now mixing with engine oil. Is there a fix for this problem? Also the BMW ...

Yes – it’s not legal. “It is an offence under the Road Vehicles (Construction and Use) Regulations to use a vehicle that has been modified in such a way that it no longer complies with the air ...

A diesel particulate filter captures small soot particles, preventing them from being expelled into the atmosphere Credit: Photo: ALAMY Removing your car's diesel particulate filter (DPF) might be ...