The stock suspension on the BMW F30/F32 chassis has been enjoyed on the street by many of its owners. However, those searching for more style have found the ride height to be higher than they'd like and have found coilover suspension is the best solution to this problem. They allow you to set the...

Like the previous generation of 3-series BMW, the N-series engines in the E90 chassis are notorious for oil filter housing leaks. This gasket is critical to a healthy engine as it prevents oil from getting out of the engine, along with keeping the oil out of the cooling system. The oil that the...

Audi neatly packaged a lot of important components on the S4's engine beneath the supercharger. While they created a good looking engine, the packaging makes service work tricky. One of the components located under the supercharger is the PCV/air oil separator. The PCV/AOS will affect a vast...

Every single system in your Mercedes needs electrical power. The battery may be what you think of first when it comes to electrical power, but the battery would nearly be useless without the charging system. The two core elements of the charging system are the alternator and the voltage...

Oil changes are an essential part of car ownership. The oil’s job is to keep everything inside the engine lubricated and happy. For the latest generation of Volkswagen EA888 engines, Volkswagen has introduced a new grade of oil requirement. The new 508-grade of synthetic oil is a lighter 0W-20...

The oil filter housing is a common spot for an oil leak on the BMW E46 chassis. Along with the housing, the VANOS line connected to it is also a common leak point. As you drive with these leaks, they'll only get worse. Both the housing and line are under high pressure from the oil system, so they...

The water pump’s job is solely to keep the engine cool. Without a functioning water pump, an engine will overheat. Caught in time, overheating an engine won’t do any damage, but left too hot for too long will eventually kill the engine. Engines with timing belts use the timing belt to drive the...

Changing the supercharger oil on your Audi's 3.0t engine isn't a necessity; Audi themselves say that the oil is for life. But tuners and owners alike have found no harm in changing the supercharger oil, especially with an engine running more boost. The oil change itself is easy to complete and...

The start/stop feature on Volvos of the last few years has contributed to lowering harmful greenhouse-gas emissions from the entire Volvo range. The only downside to this feature is the toll it has on the electrical system. To combat the extra strain the constant starting has on the battery,...

The five-cylinder engine used in the Volvo S60 has a spark plug and ignition coil for each cylinder. Failing plugs or coils will produce a weakened spark at best, resulting in poor ignition of the fuel/air mixture in the cylinder. Without the spark, the engine will make significantly less power...