BMW N55
BMW | |
---|---|
N55 | |
Production period: | 2009-2017 |
Manufacturer: | BMW |
Working principle: | Otto |
Motor design: | R6 |
Drilling: | 84 mm |
Hub: | 89.6 mm |
Displacement: | 2979 cm 3 |
Mixture preparation: | Direct injection |
Engine charging: | Exhaust gas turbocharger |
Power: | 225-272 kW |
Max. Torque: | 400-465 Nm |
Previous model: | BMW N54 |
Successor: | BMW B58 |
The N55 is a turbocharged in- line six-cylinder engine with four-valve technology from BMW . It was introduced in the BMW 5 Series Gran Turismo (535i GT) at the end of 2009 and is the first twin-scroll turbocharged gasoline engine from BMW with a Valvetronic system and direct injection . BMW calls this system BMW TwinPower Turbo .
The successor from 2015 was the BMW B58 modular engine.
construction
Like its predecessor, the engine with two overhead camshafts has an aluminum crankcase (engine block) in an open deck and bedplate design. The crankshaft is made of cast iron and is 3 kg lighter than that of the N54, which was forged. The cylinder head is also made of aluminum. The inlet valves have a diameter of 32.0 mm, the outlet valves are sodium-filled.
An innovation compared to the previous N54 B30 engine , which used two turbochargers, is that the N55 only has one turbocharger: the so-called twin-scroll charger , which has two separate spirals that guide the exhaust gas to the turbine wheel . While three cylinders were responsible for each turbocharger in the N54, three cylinders were responsible for one of the two spirals for driving the turbocharger in the N55. This turbocharger design saves 4 kg in weight compared to the previous N54, see weblink bimmertoday 2009.
In addition to the twin-scroll turbocharger, another new feature is that turbocharging has been combined with direct injection and Valvetronic for the first time in the N55 . Valvetronic is the stepless regulation of the lift of the intake valves, which makes the throttle valve superfluous. Nevertheless, this is available redundantly. The Valvetronic thus controls the air mass supplied for combustion in the engine itself. By combining these three systems, consumption has been reduced again and the response behavior has been improved compared to the N54.
For BMW M models, the engine is available as a sports version, the BMW S55, with up to 368 kW (500 hp). The most powerful variant in the M4 GTS uses water injection .
Data
Engine type | Displacement | Bore × stroke | Power at 1 / min | Torque at 1 / min | Maximum speed | Introductory year |
---|---|---|---|---|---|---|
N55B30 | 3.0 L (2979 cm³) | 84 mm × 89.6 mm | 225 kW (306 hp) at 5800-6000 | 400 Nm at 1200-5000 | 7100 min -1 | since 11/2009 |
225 kW (306 hp) at 5800-6400 | since 07/2013 | |||||
235 kW (320 hp) at 5800-6000 | 450 Nm at 1300–4500 | since 03/2011 | ||||
240 kW (326 hp) for 5800-6000 | since 10/2011 | |||||
250 kW (340 hp) at 5800-6000 | since 07/2013 | |||||
265 kW (360 hp) at 5800-6000 | 465 Nm at 1350-5250 | since 10/2015 | ||||
272 kW (370 hp) at 6500 | 465 Nm at 1400–5560 (500 Nm at 1450–4750 with overboost ) |
since 10/2015 |
use
- N55B30
-
225 kW (306 hp)
- since 11/2009 in the F07 as 535i Gran Turismo
- since 03/2010 in the F10 as a 535i
- since 03/2010 in the E90 / E91 / E92 / E93 as 335i
- since 03/2010 in the E82 / E88 as 135i
- since 03/2010 in the E71 as X6 xDrive35i
- since 06/2010 in the E70 as X5 xDrive35i
- since 09/2010 in the F11 as a 535i Touring
- since 11/2010 in the F25 as X3 xDrive35i
- since 10/2011 in F30 / F31 as 335i
- since 06/2013 in the F34 as 335i Gran Turismo
- since 07/2013 in the F32 / F33 / F36 as a 435i
- since 12/2013 in the F15 as X5 xDrive 35i
- since 07/2014 in the F26 as X4 xDrive 35i
-
235 kW (320 hp)
- since 03/2011 in the BMW 6 Series as a 640i
- since 07/2012 in the BMW 7 Series as 740i
- since 09/2012 in the BMW 1 Series as M135i
- from 2012 in the Roding Roadster
-
240 kW (326 hp)
- since 03/2010 in the E90 / E91 / E92 / E93 as a 335i with BMW M Performance Power Kit
- since 03/2010 in the E82 / E88 as 135i with BMW M Performance Power Kit
- since 10/2011 in the F30 / F31 as 335i and 335i xDrive with BMW M Performance Power Kit until 07/2013
- since 07/2013 in the F34 as 335i and 335i xDrive Gran Turismo with BMW M Performance Power Kit until 07/2013
- since 07/2013 in the F10 / F11 as 535i and 535i xDrive with BMW M Performance Power Kit from 07/2013
- since 03/2014 in the BMW 2 Series as M235i
- since 03/2015 in the BMW 1 Series as M135i
-
250 kW (340 hp)
- since 07/2013 in the F30 / F31 as 335i and 335i xDrive with BMW M Performance Power Kit from 07/2013
- since 07/2013 in the F34 as 335i and 335i xDrive Gran Turismo xDrive with BMW M Performance Power Kit from 07/2013
- since 07/2013 in the F32 / F33 / F36 as 435i and 435i xDrive with BMW M Performance Power Kit
-
265 kW (360 hp)
- since 10/2015 in the F26 as X4 M40i
-
272 kW (370 hp)
- since 10/2015 in the F87 as M2 Coupe
Web links
- Details about the N55 are available at bimmertoday.de from May 26, 2009, February 12, 2018.
- The N55 illustrated at AustralianCar.Reviews , accessed on November 14, 2018.
Individual evidence
- ↑ http://www.bimmertoday.de/2015/07/17/fahrbericht-bmw-340i-f30-lci-3er-facelift-mit-b58-motor/ , from July 17, 2015; Retrieved July 5, 2017
- ↑ AutoBild.de of August 22, 2018, The six cylinder of M GmbH , accessed on November 16, 2018.
Timeline of BMW gasoline engines for passenger cars since 1961 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Number of cylinders | Conception | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | |||||||||||||||||||||||||||||||||||||||||||||||||||||
0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | ||
3 | 1.5 l | B38 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
4th | (1.5–2.0 l) | M10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M40 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M42 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M43 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M44 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N40 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N42 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N45 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N46 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N43 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N13 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B48 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
High performance motor | S14 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
6th | Small six-cylinder (2.0-3.0 l) | M20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M50 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M52 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M54 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Large six-cylinder (2.5-3.5 l) | M30 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N52 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N53 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N54 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N55 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B58 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
High performance motor | M88 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S38 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S50 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S52 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S54 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S55 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
8th | 3.0-4.4 l | M60 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M62 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N62 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N63 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
High performance motor | S62 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S63 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S65 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
10 | High performance motor | S85 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
12 | 5.0-6.6 l | M70 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
M73 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N73 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N74 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
High performance motor | S70 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Number of cylinders | Conception | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th |
1960s | 1970s | 1980s | 1990s | 2000s | 2010s |