Compare BMW 4 Series engine carbon clean quotes from specialist garages

Looming hundreds of feet up in Munich's skyline is BMW's headquarters, a vast and impressive building designed to look like four engine cylinders - the configuration that drove much of the brand's early success.

BMW has come a long way since 1927, when it produced its first car, the Dixi, shortly to be renamed the BMW 3/15. In 2022, it was awarded 'Best Manufacturer' at the AutoCar Britain's Best Car Awards, and the same year, it triumphed at the WhatCar? Awards, winning more accolades than any other brand. The M5 special edition, celebrating 20 years of BMW motorsport, is one of the rarest M automobiles in the world.

See how BMW's maintenance prices compare to Audi and Mercedes in this guide.

Car engine carbon cleaning is a service that removes sooty carbon deposits from your engine. These deposits build up over time and can clog various components.

There are a few different approaches to engine cleaning. The most basic one involves using chemicals to dissolve the sooty deposits; you can buy a fuel add-in treatment to use at home. In another technique, a mechanic injects super-refined gases or fuels into the fuel system. A more traditional method involves removing components from the engine and cleaning them by ‘blasting' or using solvents. Engine steam cleaning is a similar process that is eco-friendly since soot is removed using soft brushes and a steam system.

Car engine cleaning benefits include improved engine performance, better fuel efficiency and restored horsepower and torque. Read this guide if you're interested in how car engines work.

If it's inconvenient taking your car to a garage, you can book a mobile carbon clean at a location of your choice.