Part #: 3450

CSF 3450 Radiator

1 Row All Aluminum
⚙️ 24 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦1 Row All Aluminum
🚗Fitment: BMW, 525i, 528i xDrive, 530i, 545i, 550i, 650i, 750i, and 750Li
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Overview of CSF 1 Row All Aluminum Radiator 3450

The CSF 1 Row All Aluminum Radiator, part number 3450, is engineered for select BMW models including the 525i, 528i xDrive, 530i, 545i, 550i, 650i, 750i, and 750Li. Designed with durability and efficient cooling in mind, this radiator features a full aluminum construction to support optimal engine temperature management.

  • Core Thickness: 1 1/4 inches
  • Core Width: 19 inches
  • Core Length: 23 5/8 inches
  • Core Material: Aluminum
  • Tank Material: Aluminum
  • Inlet Diameter: 1 1/2 inches (left side)
  • Outlet Diameter: 1 1/2 inches (right side)
  • Cross flow design for effective coolant circulation
  • Single core row construction
  • Cap not included

Detailed Product Description

This radiator from CSF belongs to the 1 Row All Aluminum product line, which emphasizes OEM-style all-aluminum tanks and core construction. The single-row core design with a thickness of 1 1/4 inches and a width of 19 inches provides a balance between cooling efficiency and compact size. Both the core and tanks are made from aluminum, offering corrosion resistance and lightweight durability. The cross flow configuration enhances coolant flow across the core, improving heat dissipation for BMW engines. The inlet and outlet diameters are both 1 1/2 inches, positioned on the left and right sides respectively, matching factory specifications for a direct replacement.

Compatible Vehicles and Applications

  • BMW 525i
  • BMW 528i xDrive
  • BMW 530i
  • BMW 545i
  • BMW 550i
  • BMW 650i
  • BMW 750i
  • BMW 750Li

This radiator is designed to address common cooling system issues such as overheating, coolant leaks, and reduced engine performance due to inefficient heat exchange.

  • Resolves engine overheating caused by radiator core damage or clogging
  • Replaces leaking or cracked radiator tanks
  • Improves coolant flow with cross flow design
  • Restores proper cooling system pressure and temperature regulation

Installation Notes and Tips

Ensure compatibility with your specific BMW model before installation. This radiator does not include a cap, so reuse the existing cap or purchase separately if needed. Handle the aluminum core carefully to avoid damage during installation. Verify inlet and outlet hose connections match the 1 1/2 inch diameter specifications on the left and right sides respectively. Professional installation is recommended to maintain cooling system integrity.

Quality Assurance

CSF radiators are manufactured to meet OEM standards with all-aluminum construction for durability and corrosion resistance. This radiator is free of hazardous materials and weighs approximately 11 pounds. While no specific warranty information is provided, CSF products typically adhere to strict quality control processes to ensure reliable performance in BMW cooling systems.

BrandCSF
Part Number3450
Position1 Row All Aluminum
Core Thickness1 1/4
Core Width19
Core MaterialAluminum
Tank MaterialAluminum
Core Length23 5/8
Inlet Diameter1 1/2 left
Outlet Diameter1 1/2 right
Down Flow Or Cross Flow TypeCross flow
Radiator Core Row Quantity1
Cap IncludedNo
Box Height (in)4 5/16
Box Length (in)30 7/16
Box Weight (lbs)11
Box Width (in)22 3/16
Hazardous MaterialNo
Inlet Length (in)19 13/16
Inlet Width (in)1 1/16
Outlet Length (in)19 13/16
Outlet Width (in)1 1/16
Tech NoteO.e.m. style all aluminum tanks & core model.

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010BMW528i xDrive3.0LL6N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2010BMW550i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2010BMW650i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2009BMW528i xDrive3.0LL6N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2009BMW550i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2009BMW650i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2008BMW550i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2008BMW650i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2008BMW750i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2008BMW750Li4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2007BMW530i3.0LL6N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2007BMW550i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2007BMW650i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2007BMW750i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2007BMW750Li4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2006BMW530i3.0LL6N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2006BMW550i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2006BMW650i4.8LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2005BMW525i2.5LL6N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2005BMW530i3.0LL6N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2005BMW545i4.4LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2004BMW525i2.5LL6N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2004BMW530i3.0LL6N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum
2004BMW545i4.4LV8N/AOE style design ensures optimal fitment and performance.; 1 Row All Aluminum

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

17 11 7 519 20917 11 7 519 21017 11 7 519 21117 11 7 519 21228257 519 2097 519 2117 519 212BM3010144BM3010145BM3010159CU2825

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.