We dug through BMW technical manuals and talked to Stephan Papadakis about what makes this 3.0-liter, single-turbo ...

are offset by its superior intake manifold and factory tuning. The changes don't affect the N51's reliability either, as it's often quoted alongside the N52 as one of BMW's most reliable engines.

The N52 engine uses four of them, and the part number of the VANOS housing bolt is 8602263 in BMW's parts system. Regarding the 155,627 affected vehicles, the list kicks off with the Z4 sDrive30i ...

The thing about the N52 is it’s generally regarded as a ... get at the housing’s rear bolt that’s hidden behind the intake manifold. Like maintenance on any German car, including 20-year ...

The theory of internal combustion engines falls into this category, especially with respect to the function of intake manifolds. They work, but many have questioned why and how much. This month ...

Like the N52, it comes with BMW’s VANOS system, which operates the valvetrain. Over time, the system seals and solenoids degrade and fail. The plastic valve cover can similarly degrade, as can the ...

A big improvement in driveability came about in 1934 when the Detroit Lubricator single-barrel carburetor was replaced by the Stromberg two-barrel and a redesigned intake manifold. Those changes ...