May 11, 2020 · N51 only came as a 3-liter, meaning that any 2.5-liter inline-six of this generation is going to be N52. With that said, here are some of the main differences between the two engines: Cylinder Head – Both N52 and N51 run aluminum heads, but the one found on N51 is specific due to the combustion chamber modifications that were made to meet the ...

May 4, 2011 · Visually the N51 and N52 are identical. The easiest way to identify which engine you’re dealing with is to take a look at the vehicle emissions plate under the hood. You’ll notice the relevant info on the left-hand side of the plate in the third row.

The BMW N52 is a naturally aspirated straight-6 petrol engine which was produced from 2004 to 2015. The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. [1]

BMW's N51 and N52 engines are practically identical, but there are some key differences that distinguish one from the other. Here's what you need to know.

Sep 16, 2015 · The N51 has the three-stage intake manifold and the N52 does not. BMW used the three-stage intake manifold on the N51 to compensate for the slightly lower compression ratio as compared to the N52, 10.0:1 compared to 10.7:1. They are both rated at 230 horsepower.

Feb 2, 2022 · BMW N51 VS N52. The N51 and N52 are essentially the same engines, and it’s almost impossible to tell the differences visually. The easiest way to know what engine your car is equipped with is to check the emissions label under the hood. The N51 will say “SULEV”, while the N52 will have “ULEV”.

Jan 12, 2020 · According to the Component/System comparison chart of the N52, N52KP and N51 the Intake Manifold specs are: N52 - Plastic w/ 3-stage DISA on high output (OL) N52KP - Plastic w/ 3-stage DISA on high out (O)

The N51 and N52 are nearly impossible to distinguish from one another because of how similar they are. But Cylinder Head Cover – The cylinder head cover on the N51 is made of plastic and features integrated crankcase ventilation, whereas the …

May 27, 2023 · The N51 and N52 are essentially the same engines, and it’s almost impossible to tell the differences visually. The easiest way to know what engine your car is equipped with is to check the emissions label under the hood. The N51 …

Jan 12, 2022 · Before we dive into the details of the N52, you should know about its half-sibling, the N51. Since emission regulations vary across the United States, BMW was forced to produce a ‘SULEV’ (Super Ultra Low Emissions Vehicles) iteration of the N52 engine; this was the N51.