BMW automotive engine families listed as N53. Specifications below retain the source's separate family and variant labels.
Family specifications
BMW N53 engine
| Field | Reported value |
|---|---|
| Production | 2006–2013 |
| Configuration | Straight-6 |
| Displacement | 2,497 cc (152 cu in ) 2,996 cc (183 cu in ) |
| Cylinder bore | 82 mm (3.2 in) 85 mm (3.3 in) |
| Piston stroke | 78.8 mm (3.10 in) 88 mm (3.5 in) |
| Cylinder block material | Magnesium-Aluminium |
| Cylinder head material | Aluminium |
| Valvetrain | DOHC , with VVT |
| Fuel type | Petrol |
| Predecessor | BMW N52 |
| Successor | BMW N54 |
Variant specifications
Versions
| Engine Code | Displacement | Power | Torque | Years |
|---|---|---|---|---|
| N53B25 | 2,497 cc (152.4 cu in) | 140 kW (188 bhp) at 6,100 rpm | 235 N⋅m (173 lb⋅ft) at 3,500-5,000 rpm | 2006-2010 |
| N53B30 | 2,996 cc (182.8 cu in) | 150 kW (201 bhp) at 6,100 rpm | 270 N⋅m (199 lb⋅ft) at 1,500-4,250 rpm | 2009-2011 |
| N53B30 | 2,996 cc (182.8 cu in) | 160 kW (215 bhp) at 6,100 rpm | 270 N⋅m (199 lb⋅ft) at 2,400-4,200 rpm | 2007-2013 |
| N53B30 | 2,996 cc (182.8 cu in) | 190 kW (255 bhp) at 6,600 rpm | 310 N⋅m (229 lb⋅ft) at 2,600-5,000 rpm | 2009-2011 |
| N53B30 | 2,996 cc (182.8 cu in) | 200 kW (268 bhp) at 6,700 rpm | 320 N⋅m (236 lb⋅ft) at 2,750-3,000 rpm | 2007-2013 |
Recorded vehicle applications
N53B25
- 2006-2010 E60/E61 523i
N53B30 (150 kW)
- 2009-2011 F10/F11 523i
N53B30 (160 kW)
- 2007-2013 E90/E91/E92/E93 325i
- 2006-2010 E60/E61 525i
N53B30 (190 kW)
- 2009-2011 F10/F11 528i
N53B30 (200 kW)
- 2007-2010 E60/E61 530i
- 2007-2010 E63 630i
- 2007-2013 E90/E91/E92/E93 330i
- 2011-2013 F10 530i
BMW automotive engine directory
Design, development and variant notes
The naturally aspirated N53 introduced direct injection with piezo injectors and lean stratified operation relative to the port-injected N52. It keeps double-VANOS but omits Valvetronic.
The source reports high-pressure fuel-pump failures and states that their frequency relative to the N54 is unknown. N53 was not used in some markets where fuel sulphur content was a concern.
Variant dimensions and compression
These values are associated with the named variant and source qualifier; equipment and market specifications can differ. A dash means the value is not listed here.
| Variant | Bore (mm) | Stroke (mm) | Compression ratio | Source qualifier |
|---|---|---|---|---|
| N53B25 | 82 | 78.8 | — | — |
Data adapted from the cited Wikipedia revision by Wikipedia contributors under CC BY-SA 4.0. Production dates and fitments reflect that revision; verify the exact engine code, market and vehicle before applying a specification.
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.
- Wikipedia: List of BMW engines. Wikipedia contributors; CC BY-SA 4.0. Source revision oldid 1382309748; accessed 2026-11-10.
- Wikipedia: BMW N53. Wikipedia contributors; CC BY-SA 4.0. Source revision oldid 1307049451; accessed 2026-11-10.