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,...
Your engine's valve cover gasket is the main part that keeps the top end of your motor sealed up and leak free. These parts are almost all made of rubber material and over time the rubber will dry out and become brittle - allowing oil to leak out of the engine. On straight-six BMW engines like...
The condition of the rubber windshield seals on your vehicle directly correlates to how dry the interior of your vehicle is. The BMW E90 has notoriously bad windshield seals that crack and flake off over time. Once they flake off, they allow moisture to get between the chassis and windshield, and...
This is the final part of our 3 part BMW E46 M3 rear subframe overhaul DIY. Part one of the DIY covered the entire removal/teardown process, part two covered installation of the new components, and part three covers the re-installation process once the bushings and mounts are replaced. BMW E46 M3...
This is part two of three of the BMW E46 M3 rear subframe overhaul DIY. Part one of the DIY covered the entire removal/teardown process, setting up part two for the next steps of replacing the various suspension components. Part three covers the re-installation process once the bushings and...
The rear subframe, in any car, is a significant component. The subframe acts as a mounting point for all of the rear suspension components and the rear differential. Its made to withstand all of the drivetrain's twisting forces while carrying the load from the suspension components. The subframes...
Modern technology makes life easier, in a sense. We advance as we look at the best of what we have and improve it in all areas we can—cars are no different. When the ZF 8HP transmission debuted in 2009, it became the go-to automatic transmission to use. Automakers from Alfa Romeo to BMW, to...
The BMW E39 has an electronic wheel speed sensor located at each hub. In the simplest terms, the car uses these sensors to count the number of rotations made by each wheel. It monitors each one to recognize if one or multiple of the wheels are slipping or are locked up. This is how the car’s...
A functioning vacuum pump is critical to a correctly performing turbocharged engine. While driving, the turbocharger creates boost pressure in the intake, rather than vacuum pressure. A source of vacuum is needed during driving, making the vacuum pump a vital component. The vacuum pump provides a...
An engine's timing belt or timing chain keeps all of the components of the engine in the right place at the right time. A belt or chain skipping a tooth can cause the valves to hit the pistons, destroying the engine. Timing chain systems, while safer than belts, are far more difficult to service....
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