Engine Crankshaft
Engine Crankshaft
The BMW N55B30 3.0L engine crankshaft is a critical internal engine component designed for selected BMW N55B30 inline-six turbocharged gasoline engine applications.
The N55B30 belongs to BMW's N55 engine family and features a 2,979 cc inline-six configuration, direct fuel injection, Double VANOS variable valve timing and Valvetronic variable valve lift.
Compared with the earlier N54 engine, the N55 uses a single twin-scroll turbocharger and was developed to provide strong performance while improving engine efficiency, throttle response and overall system integration.
This crankshaft is suitable for professional engine repair, engine rebuilding, crankshaft replacement and engine remanufacturing applications.
Our products are exported to various parts of the country, and the customers we have worked with have received unanimous praise. The company has invested over 20 million yuan in high-end remanufacturing equipment imported from abroad and a first-class production team in the country. Our warehouse has a total area of over 8000 square meters, with scientific management and sufficient supply of goods.
Product Type: Engine Crankshaft
Engine Code: N55B30
Engine Family: N55
Displacement: 2,979 cc / 3.0L
Cylinder Configuration: Inline 6
Number of Cylinders: 6
Bore: 84.0 mm
Stroke: 89.6 mm
Main Journal Diameter: Approximately 56 mm*
Rod Journal Diameter: Approximately 50 mm*
Crankshaft Stroke: 89.6 mm
Application: Engine Repair / Rebuilding / Replacement
*Exact dimensions should be verified against the specific crankshaft production specification before machining or installation.
Primary OE reference:
11217580483
BMW part number format:11 21 7 580 483
Additional reference:11212163665
BMW part number format:11 21 2 163 665
Other commonly used reference numbers include:
7580483
2163665
11 21 7 580 483
11 21 2 163 665
OE references may vary according to engine version, production date and vehicle application.
Please confirm the original OE number before ordering.
The BMW N55B30 engine family was used in a wide range of BMW passenger cars, performance models and SUVs.
Selected applications:BMW 135i E82/BMW 135i E88
Selected applications:BMW M235i F22/BMW M235i xDrive F22/F23
Selected applications:BMW 335i E90/BMW 335i E91/BMW 335i E92/BMW 335i E93/BMW 335i xDrive/BMW 335i F30/BMW 335i xDrive F30
BMW 335i F31/BMW 335i GT F34
Selected applications:BMW 435i F32/BMW 435i xDrive F32/BMW 435i F33/BMW 435i xDrive F33/BMW 435i Gran Coupe F36/BMW 435i xDrive F36
Selected applications:BMW 535i F07/BMW 535i F10/BMW 535i xDrive F10/BMW 535i F11/BMW 535i xDrive F11
Selected applications:BMW 640i F06/BMW 640i F12/BMW 640i F13/Selected xDrive applications
Selected applications:BMW 740i F01/BMW 740Li F02/Selected 740i xDrive applications
Selected application:BMW X1 xDrive35i E84
Selected application:BMW X3 xDrive35i F25
Selected application:BMW X4 xDrive35i F26
Selected applications:BMW X5 xDrive35i E70/BMW X5 xDrive35i F15
Selected applications:BMW X6 xDrive35i E71/BMW X6 xDrive35i F16
Important: Vehicle compatibility varies according to engine version, production date, market specification and original OE number. The models listed above are representative N55B30 applications and should not be interpreted as universal fitment.
The N55B30 engine family includes several variants with different performance specifications.
Common designations include:
N55B30M0
N55B30O0
N55B30T0
Power output and engine calibration may differ depending on vehicle model and market.
For this reason, the correct crankshaft should always be confirmed using the engine code, VIN and original OE number.
This N55B30 crankshaft is suitable for:
Engine rebuilding
Engine repair
Crankshaft replacement
Engine remanufacturing
Long block rebuilding
Automotive machine shop projects
Performance engine rebuilding
Engine restoration
Automotive parts distribution
Designed for selected BMW vehicles equipped with the N55B30 3.0L turbocharged inline-six gasoline engine.
Suitable for professional engine repair, rebuilding, replacement and remanufacturing applications.
The N55B30 engine family was used in BMW 1, 2, 3, 4, 5, 6 and 7 Series vehicles as well as X1, X3, X4, X5 and X6 applications.
We support international automotive parts wholesalers, distributors, engine rebuilders, machine shops and professional repair companies.
Our team can help verify the correct crankshaft using the VIN, engine code, OE number and original component information.
Before placing an order, please provide:
VIN
Engine Code
Engine Number
Original Crankshaft OE Number
Vehicle Model
Production Year
Photos of the Original Crankshaft
Our team can help confirm the correct application and specification.
This crankshaft is designed for selected BMW N55B30 3.0L inline-six turbocharged gasoline engine applications.
The N55B30 has a displacement of 2,979 cc, commonly referred to as a 3.0L engine.
The N55B30 uses an 84.0 mm bore and an 89.6 mm stroke.
No. Unlike the N54, the N55 uses a single twin-scroll turbocharger.
Yes. Valvetronic variable valve lift is one of the major technical features of the N55 engine.
A major OE reference for the N55 crankshaft is 11217580483.
Yes. 11212163665 is also listed as an N55 crankshaft reference. However, OE applicability should be confirmed according to the exact engine and production specification.
Not necessarily. The N55 family includes multiple engine variants and applications. Always confirm the engine code, VIN and original OE number before ordering.
Yes. It is suitable for professional engine rebuilding, repair, replacement and remanufacturing applications, subject to correct application verification.
Please send us your VIN, engine code, original OE number or clear photos of the original crankshaft.
Yes. We support B2B customers including distributors, wholesalers, engine rebuilders, machine shops and professional automotive repair companies.
Looking for a BMW N55B30 3.0L engine crankshaft?
Send us your VIN, engine code or original OE number.
Our sales team can help verify compatibility and provide product specifications, availability and B2B quotation information.
| Place of Origin | Guangdong, China |
| Condition | New |
| Purpose | for replace/repair |
| Type | Gas / Petrol Engine |
| Power | OEM Standards |
| Quantity (pieces) | 1 - 10 | 11 - 50 | > 50 |
| Lead time (days) | 7 | 15 | To be negotiated |
1. Our remanufactured products use accessories provided by well-known brand suppliers such as VICTORREINZ, SCHAEFFLER, KS KOLBENSCHMIDT GmbH, etc.
2. Our product quality is close to the original factory quality, but the price is only 50-60% of the original engine. We can also provide you with a one-year or 100000 kilometer warranty service for the entire machine, and professional after-sales personnel will follow up with you.
3. We have over 15 years of experience in the production and research of automotive engines, and our technical level and personnel training are very scientific and mature. Customers who have worked with us have expressed their agreement with our products and after-sales service.
4. 2018 It has achieved an annual production capacity of 2200 units and has become a major supplier of high-end engine remanufacturing and parts in China's automotive aftermarket.
5. In April 2021, T/CAAMTB passed the certification company of China Automobile Research and Huacheng. 19-2019 Certification of the management system requirements of gas vehicle parts remanufacturing enterprisesIn October 2021, he became a member of the National Green Manufacturing Technology Standardization Committee and participated in the drafting of the Technical Specification for Assembly of Remanufacturing Mechanical and Electrical Products.
