How To Put A Porsche Cayenne Into Jack Mode (955/957)

Injector replacement is part of owning an N54 powered BMW. The Autel MX808 makes the calibration process of your new fuel injectors a little easier with no special software necessary.  Calibrating the flow rates for direct injectors is a requirement on some vehicles when installing new injectors....

One of the largest annoyances of current direct-injected cars is the buildup of carbon deposits. This is no different for any Audi with the 3.0t engine. One of the most widely used ways to clean your Audi's intake of carbon deposits is with the use of walnut blasting.  Fuel injection has been...

To ensure long life and peace of mind in your seven-speed (722.9) Mercedes-Benz automatic transmission, periodic service is a must. Many manufacturers, including Mercedes, claim that their transmission fluid is for life, but that's simply not the case. Instead, follow this service procedure to...

If you're anything like me, you might have the problem of acquiring cars while never really letting any go. It's nearly impossible to drive them all, all of the time, so inevitably, a couple of them might end up sitting for long periods of time. The five tips below are some of the easiest things...

BMW’s high-performance nature means that every one of their engines is built with strict tolerances. In the more mechanical days, engine builders carefully measured their clearances to get them right and knew the correct tolerances via a book. Nowadays, BMW publishes engine clearances and...

The Mercedes M272 and M273 engines are some of the best to own second-hand. Each variant has a few unique foibles, but intake manifold failures are some of the most consistent across all of them. Their variable-length, vacuum-actuated intake manifolds are relatively uncommon among manufacturers...

The BMW M52TU, M54, and M56 engines are all related by their aluminum engine blocks. Until then, all prior M-series straight-six engines had used iron cases, making them strong but very heavy. The switch to an aluminum block with iron liners shed weight over the front axle, subsequently improving...

Engineers have been looking for ways to improve the internal combustion engine since its creation. Various reasons have spawned updates and evolutions, but these days, the general driver is efficiency. Greenhouse emissions are bad, and carbon-neutral modes of transportation don’t exist yet, so...

All engine coolant is not created equal. In a similar fashion to engine oil, coolant is a complex mixture of chemicals and minerals designed to keep your engine running as cool as possible. Aluminum and cast iron, the most common engine block materials, require different properties from the...

  Air quality is often overlooked when it comes to the air you actually breathe inside your car. When it comes to cars and air quality, the first thing you think of is usually going to be related to vehicle emissions and the environment. Ultimately your vehicle’s climate control system is one of...