The N52B25 is a naturally aspirated inline-six gasoline engine from BMW’s N52 series (2.5L version), produced from 2005 to 2011 (with some applications continuing until around 2013) and manufactured at the Munich plant. It is the successor to the M54 and incorporates advanced technologies such as a magnesium-aluminum alloy cylinder block, Valvetronic variable valve lift, and Double-VANOS variable valve timing; it is renowned for its lightweight design, high efficiency, and smooth operation.
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.
| Model Number | N52B25 |
Primary Compatible Models (by Power Variant)
130 kW (177 hp) Version:
E90 323i (Canada, Australia, Japan, etc., starting in 2006)
E60/E61 523i (2004/2005–2007, excluding North America)
E85 Z4 2.5i (2006–2008)
150 kW (201–204 hp) Version:
E90 323i (Canada, Australia, etc., 2007–2011)
F10 523i (2010–2011)
E89 Z4 sDrive23i (2009–2011)
160 kW (215–218 hp) versions:
E83 X3 2.5si / xDrive25i (2005–2010)
E60/E61 525i / 525xi (2005–2010, excluding the U.S. and Canada)
E90/E91/E92/E93 325i / 325xi (2005–2011/2013, excluding the U.S. and Canada)
E85 Z4 2.5si (2005–2008)
Note: The U.S. market primarily uses the 3.0L N52B30 engine; the N52B25 is less common. Please refer to the VIN or engine nameplate for specific details.
| 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.
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