The N55B30 engine is one in a long line of BMW inline six-cylinder engines. It replaced the N54, a wildly popular engine known for its potential for big horsepower. Like its predecessor, the N55 is...
You don’t think about your brake system until it stops functioning. Unfortunately, by then, it's too late. A basic brake inspection can be performed by anyone, nearly anywhere, with minimal special tools, and might be what prevents an accident. Even taking just a few minutes to look over the few...
BMW has always done a good job with its oil scavenging system while retaining the wet sump setup on BMW M cars, and the S55 is no different. While the S55 engine shares a lot of its basic engine block architecture with the non-M N55 engine, it uses an entirely different oiling system, which does...
When enthusiasts of European automakers search for a manually-shifted, nimble sedan or convertible, a BMW of any vintage is the go-to. Even more modern Audis have become popular thanks to their tunability and VAG charm. Yet, similar Mercedes models don’t make shortlists because their existence is...
Choosing the correct fluids for your car is one of the most daunting tasks for a new DIYer. The local auto parts store will have walls lined with oils, solvents, and fluids as far as the eye can see without the definitive information you need. Choosing the right engine coolant is no different. Is...
Just like that, another year has passed, and the holiday season has arrived. The sales are heating up as the weather cools, and we’re bringing you our best yet! This year, we have gifts on sale for everyone, whether a long-time enthusiast, a brand-new collector, or a parent looking to save some...
Blown head gasket. To the uninitiated, it sounds like just another car repair term – an innocent phrase that might be mentioned alongside things like low tire pressure and warped rotors. The reality is that it’s a major car repair, one that can result in catastrophic engine damage if the early...
Considering the Porsche 997 is mostly a reworked 996, its suspension changes are more revision than revolution. The same basic architecture remained, but new technologies and lessons learned translated to updates for every piece. Now, as a used model, the reworked 911 remains an analog time...
As we’ve demonstrated on the blog, the Mercedes 722.9 or “7G-Tronic” transmission is a tough and widely found unit. With regular maintenance, they’re as reliable as they come, but the service work needs to be correct. Mercedes offered two 722.9 variants that don’t share their serviceable filter...
The advent of all-wheel-drive in passenger cars reshaped how automakers designed every vehicle they made, whether pedestrian or performance. Audi paved the way with their quattro and rewrote the rally rulebook simultaneously, leading every manufacturer to develop their own system or seek one out....
Get help answering any questions you have
Contact Us