Guangzhou Honghui Auto Parts Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Delivery Time | 7-15work days |
| Purpose | for replace/repair |
| Engine | N55B30 |
| Car Fitment | B-M-W |
| Type | Gas / Petrol Engine |
| Power | 235kw |
| Displacement | 3.0t |
| Torque | 450nm |
| Warranty | 1-3 Months |
| Car Model | X5 |
| Condition | Used |
| Place of Origin | Guangdong, China |
| Brand Name | b-m-w |
| Model Number | N55B30A |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Delivery Time | 7-15work days |
| Purpose | for replace/repair | Engine | N55B30 |
| Car Fitment | B-M-W | Type | Gas / Petrol Engine |
| Power | 235kw | Displacement | 3.0t |
| Torque | 450nm | Warranty | 1-3 Months |
| Car Model | X5 | Condition | Used |
| Place of Origin | Guangdong, China | Brand Name | b-m-w |
| Model Number | N55B30A | ||
| High Light | 3.0l bmw s63b44 ，3.0l used car engine ，used bmw s63b44 | ||
B-M-W N55 engine335 X6 X5 GT535 3.0L F15Original factory used high quality engine
Key Parameters:
Displacement: 3.0L (2979 cc) inline-6.
Power Output:
Standard: 300–330 HP (varies by model/year; e.g., 335i: 300 HP; 335is: 320 HP; M2 N55: 365 HP).
Torque: 295–332 lb-ft (400–450 Nm), available from 1,200–5,000 RPM (flat torque curve).
Redline: 7,000 RPM.
Compression Ratio: 10.2:1.
Valvetrain: DOHC with Valvetronic III and Double-VANOS.
Induction: Twin-scroll turbocharger with air-to-liquid intercooler.
Fuel System: High-precision direct injection (HPI).
Weight: ~195 kg (aluminum block/magnesium oil pan).
Selling Points:
Turbocharged Performance:
Single twin-scroll turbocharger delivers smooth power delivery with minimal lag, combining the responsiveness of a smaller turbo with the output of a larger one.
Produces 300–330+ HP (varies by tune/model), offering a strong balance of daily drivability and sporty performance.
Advanced Engineering:
Valvetronic III (variable valve lift) and Double-VANOS (variable camshaft timing) optimize efficiency and throttle response.
Direct fuel injection improves combustion efficiency but may require occasional carbon buildup cleaning.
Improved Reliability Over N54:
Resolves many N54 pain points (e.g., fewer high-pressure fuel pump failures, more durable turbo design).
Simplified single turbo setup reduces complexity and maintenance costs vs. the N54’s twin turbos.
Fuel Efficiency:
Competitive for a performance-oriented engine (e.g., ~20–26 MPG combined) thanks to BMW’s EfficientDynamics tech.
Broad Compatibility:
Fits popular B-M-W models (e.g., F30 335i, F10 535i, X3/X4/X5 35i, E82 135i) for easy swaps or replacements.
The N55 engine is a refined, turbocharged inline-6 that strikes a balance between performance, reliability, and modern efficiency. While it avoids many of the N54’s pitfalls, buyers should prioritize units with documented maintenance (especially charge pipe, water pump, and timing chain updates). Highlighting its tuning versatility, broad compatibility, and BMW’s engineering pedigree will appeal to enthusiasts and daily drivers alike.
Description
Please note that all items labeled "used" have been used and may bear minor scratches and scuff marks. However, they are fully functional and functional. We recommend viewing the pictures provided before purchasing to make sure you are happy with the condition of the item.
All components are tested before or after they are removed from the vehicle. Please note that this part is a previously installed second hand item. The items shown in the image are accurate items provided in this list, unless otherwise stated in the item description.
Before making a purchase, make sure that the part codes and body panels you purchase match the parts of the vehicle you are trying to repair.
Most electronic parts (ECUs, modules, headlights, etc.) may require coding/programming
If you need any additional parts, please contact us before placing your order. We will be more than happy to check if we have any other items you may need. Discounts are available for multiple purchases.
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
2007
Total Annual:
>5000000
Employee Number:
50~100
Ecer Certification：
Active Member
Company name: Guangzhou Honghui Auto Parts Co., LTD Established time: 2007years Main business: Focus on the supply and sale of used auto parts, covering engines, gearboxes, body parts and other categories. Core advantage: Quality assurance: All parts are from formal channels, through... Company name: Guangzhou Honghui Auto Parts Co., LTD Established time: 2007years Main business: Focus on the supply and sale of used auto parts, covering engines, gearboxes, body parts and other categories. Core advantage: Quality assurance: All parts are from formal channels, through...
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