Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2013128I 2D CONVERTIBLE, ENG CD N52, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1094 (ENGINE - TECHNICAL DATA)ENGINE, GENERAL11 00 ENGINE IN GENERAL N54 B30
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
11 00 Engine In General N54 B30
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION 11 00 Engine In General N54 B30
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE SPECIFICATIONS
| Cylinder | 6 | |
| Bore | mm | 84 |
| Stroke | mm | 89.6 |
| Effective displacement | cm3 | 2979 |
| Compression ratio | :1 | 10.2 |
| Max. permissible engine speed | RPM | 7000 |
| Permissible constant speed | RPM | 6550 |
| Compression pressure: Minimum and maximum values depending on position of Valvetronic. |
14...16 | |
| Compression pressure: Maximum deviation of all cylinders to each other. |
bar | 2 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.