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| Engine Code: | N55 N55B30 |
| HG No: | HGLB2031 |
| Car Series: | German Car |
| Car Brand: | BMW |
| Car Model: | BMW M135i M235i 335i 535i 640i 740Li X3 X4 X5 X6 GT3 GT5 |
Product Description
The BMW N55B30 is a 3.0-liter (2979 cc) inline 6-cylinder turbocharged gasoline engine produced from 2009 to 2018, and was widely used across BMW’s lineup—including the 3, 4, 5, 6, and 7 Series, as well as the X-series crossovers. It also served as the foundation for several high-performance versions developed by Alpina.
This engine was the first BMW inline-6 to combine twin-scroll turbocharging, Valvetronic variable valve lift, and direct fuel injection, offering improved efficiency and throttle response over its predecessor, the N54.
There are three main N55B30 variants:
It produces 306 hp and 400 Nm of torque.
It delivers between 320 and 326 hp with 450 Nm of torque.
It (Alpina version) offers 360 to 370 hp and 465 Nm of torque.
It is praised for its balance of performance, refinement, and reliability, and served as a benchmark for turbocharged inline-6 engines in the premium segment.
Related engine code:N55B30M0, N55B30, N55B30O0, N55HP, N55B30T0
Applicable Models:
BMW 1-Series E87 in 2010 – 2013; 1-Series F20 in 2012 – 2016
BMW 2-Series F22 in 2013 – 2018
BMW 3-Series E90 in 2010 – 2012; 3-Series F30 in 2012 – 2015
BMW 4-Series F32 in 2013 – 2016
BMW 5-Series F07 in 2009 – 2017; 5-Series F10 in 2010 – 2017
BMW 6-Series F12 in 2011 – 2018
BMW 7-Series F01 in 2012 – 2015
BMW X3 F25 in 2010 – 2017
BMW X4 F26 in 2014 – 2018
BMW X5 E70 in 2010 – 2013; X5 F15 in 2013 – 2018
BMW X6 E71 in 2010 – 2014; X6 F16 in 2014 – 2018
Car Engine Parts Diagram

Let us take a look at a detailed car engine parts diagram, which highlights the essential internal components of an engine. This type of diagram helps us visualize the exact location and arrangement of each part. It typically includes major elements such as the rocker cover, rocker arms, valve springs, cylinder head, spark plugs, valves, engine block, pistons, connecting rods, crankshaft, camshaft, timing chain, oil pump, oil pan, and flywheel. Also shown are related parts like the ignition distributor, fuel pump, gaskets, and distribution components. By referring to such a diagram, we can gain a better understanding of how these parts interact to power a vehicle's engine.
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Customer's Packing Box Customized Available
Start by sharing your requirements—we'll help design the perfect custom packing solution for your products. Reach out to HI-GREAT today!