Industrial 13537585261 Direct Injection Fuel Injector

Description:

The BMW N54/N63 Fuel Injector Index 11 (13537585261) is used in high-pressure direct injection fuel systems to deliver precise fuel atomization directly into the combustion chamber for controlled combustion, improved performance, and emissions compliance. Commonly installed in BMW turbocharged engines across 335i, 535i, 550i, 750i, X5, and X6 models where accurate fuel metering under high pressure is required for smooth idle, strong acceleration, and stable engine operation. Automotive technicians, BMW specialists, and performance shops use this injector for fuel system repair, misfire correction, injector replacement, and restoration of proper engine performance in N54 and N63 platforms.

Applications:

The Index 11 fuel injector is commonly used in BMW direct injection turbocharged engines including 335i, 535i, 550i, 750i, X5, X6, and related N54/N63 applications where high-pressure gasoline direct injection is required for combustion control, turbocharged performance, and emissions regulation in passenger vehicles and performance-oriented engine systems.

Technical Specifications:

• Manufacturer: BMW / Bosch (OEM direct injection system)
• Model / Part number: 13537585261 (Index 11)
• Product type: High-pressure direct fuel injector
• Engine compatibility: BMW N54 / N63 gasoline engines
• Injection type: Piezoelectric direct injection system
• Fuel system pressure: High-pressure direct injection (system dependent up to ~200 bar)
• Fuel type: Gasoline (premium recommended for performance engines)
• Construction: Precision stainless steel injector body with piezo actuator
• Function: Direct fuel delivery into combustion chamber
• Mounting: Cylinder head direct injection port installation
• Electrical control: ECU-driven high-voltage injector operation
• Application environment: Automotive turbocharged engine fuel system
• Calibration: ECU coding required after installation

Common Replacements:

• BMW OEM Index 11 fuel injector (13537585261 original specification)
• Bosch remanufactured N54/N63 direct injection injector
• BMW Index 12 upgraded injector (latest revision replacement option)