If your E82 128i, E90 328i, or E92 328i was originally purchased in California, Connecticut, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, Washington state, and Washington D.C. it will most likely come with the N51 SULEV engine.
Is N51 or N52 better?
Which Engine is Better The N52 or N51? There's a lot of noise being generated around these two engines as people are trying to figure out which one is better. Power-wise, there isn't much difference. Both are tuned to deliver the same power and torque.11 May 2020
Is ULEV N51 or N52?
The N52 is the ULEV and the N51 is SULEV (or is it PZEV?) You can tell by the presence of a 3-stage intake manifold. You'll see a box with a cable attached to it right next to the "BMW" on the manifold itself.6 Jul 2010
Are all N51 engines SULEV?
If it says it's SULEV, then it's the N51 engine, and if it says LEV, then it's the N52. There are other ways, too, including looking at your BMW vehicle identification number (VIN). Check that label under the hood to see if you're just a low emission vehicle or a super-low emission car.
How do I know if I have N51 or N52 engine?
But, there is a way. The easiest way to identify which engine you're dealing with is to take a gander 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. N52 will be marked as LEV, while the N51 carries a SULEV tag.11 May 2020
What is N51 engine?
The N51 engine is a SULEV version of the N52 that was sold in parts of the United States that had SULEV legislation. Differences to the N52 versions include a variable-length intake manifold ("DISA") with three stages instead of one, and a compression ratio lowered from 10.7:1 to 10.0:1.
What cars have N52 engines?
The N52 was predominately found in the E90 325i, 328i and 330i, and the E60 525i and 528i models, as well as various others such as the 128i, X1, and Z4 to name a few. The N52 was produced from 2004 up until 2015 when it was replaced by the turbocharged N20 engine.29 Sept 2021
Is the N52 a good engine?
BMW's N52 engine is one of its most successful, and most produced inline-6 engines. Due to the engine design, the N52 has proved more reliable than it's bigger brother, the N54. Because the N52 doesn't have an HPFP or direct injection, these are two common N54 issues that drivers of the N52 won't have to worry about.29 Sept 2021
Which engine is better N52 or N53?
Personally I feel that the N52 sounds smoother and silkier than the N53, which sounds a little more growly and rough, likely because of the direct injectors. However the N53 feels punchier at the low end. Both have Double VANOS but the N53 has traded Valvetronic for direct injection, while the N52 has Valvetronic.11 May 2010
Are all BMW SULEV?
SULEV stands for Super Ultra Low Emissions Vehicle. Nearly all BMWs qualify as LEV (Low Emissions Vehicle) but under law BMW's entire model range must meet certain low emissions targets. To raise their average while selling high-performance cars like the M5 and X5M, BMW has special SULEV models.