BMW N53

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BMW
BMW N53B30

BMW N53B30
N53
Production period: 2007-2013
Manufacturer: BMW
Working principle: Gasoline engine
Motor design: Inline six-cylinder
Drilling: 82 or 85 mm
Hub: 78.8 or 88 mm
Displacement: 2497 or 2996 cm 3
Mixture preparation: Direct injection
Engine charging:
Power: 140-200 kW
Torque: 235-320 Nm
Previous model: N52
Successor: N20

The BMW N53 was first produced in 2007 with the LCI (Life Cycle Impulse / model revision) of the BMW E60 . It is one of the 14th and currently (2017) last generation of BMW's inline six - cylinder naturally aspirated engines .

The most important innovations compared to the previous model, the BMW N52, are direct petrol injection and a reduction in petrol consumption through lean operation with stratified charge in the partial load range. Lean operation causes increased nitrogen oxide (NO x ) emissions , so the use of a special NO x storage catalytic converter is essential. The operation of a NO x storage catalytic converter requires low-sulfur fuel.

Because of the high sulfur concentrations in the fuel, which is sold in the USA and Australia, BMW does not offer the engine in these countries.

The engine block is made of a magnesium alloy.

Data

Engine type Displacement Bore × stroke Power at 1 / min Torque at 1 / min Maximum speed year
N53B25 2497 cc 82 mm x 78.8 mm 140 kW (190 PS) at 6300 235 Nm at 3500-5000 6500 min −1 2007
N53B25UL 140 kW (190 PS) at 6100 240 Nm at 3500-5000 6500 min −1 03/2007
N53B30 2996 cc 85 mm × 88 mm 150 kW (204 hp) at 6100 270 Nm at 1500–4250 7000 min -1 2009
160 kW (218 hp) at 6100 270 Nm at 2400-4200 7000 min -1 2007
190 kW (258 hp) at 6600 310 Nm at 2600-5000 7000 min -1 2009
200 kW (272 hp) at 6700 320 Nm at 2750-3000 7000 min -1 2007

use

N53B25
N53B30

Web link

Timeline of BMW gasoline engines for passenger cars since 1961
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