
N52b25 Crankshaft for BMW OEM 11210402531 Gasoline 6-Cylinder Engine Parts. OEM/ODM Customization: Supports full customization from samples, designs, and minor adjustments. ISO 9001 & CE Certified: Meets international quality standards with ISO 9001 and CE certifications. 24 Months Warranty: Comprehensive 24-month warranty coverage for peace of mind. 100% Quality Inspection: Every finished product undergoes visual and functional inspection. Professional Manufacturing: Complete in-house production line from melting to surface treatment. 25 Years Experience: Over two decades of engineering and production expertise. Global Export Reputation: Trusted by partners in Brazil, Egypt, UAE, Singapore, and more. Cast Iron Material: Durable cast iron construction for high-performance engines.