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CSF 2526 Radiator
Overview of CSF 1 Row Plastic Tank Aluminum Core Radiator
The CSF 1 Row Plastic Tank Aluminum Core Radiator (Part Number 2526) is engineered for reliable cooling performance in select BMW models. Designed with a durable aluminum core and plastic tanks, this radiator supports efficient heat dissipation and long-term durability.
- Core thickness: 1 1/4 inches
- Core width: 17 1/4 inches
- Core length: 21 11/16 inches
- Aluminum core material with plastic tanks
- Cross flow design for optimized coolant flow
- Inlet and outlet diameter: 1 5/8 inches (left inlet, right outlet)
- Compatible with BMW 323i, 325i, 325is, 328i, 328is, and M3 models
- Does not include radiator cap
Detailed Product Description
This radiator features a single-row aluminum core measuring 1 1/4 inches thick, 17 1/4 inches wide, and 21 11/16 inches long, providing effective heat exchange for your vehicle's cooling system. The plastic tanks are designed in an OEM style, ensuring a proper fit and reliable sealing. The cross flow configuration enhances coolant circulation, which helps maintain optimal engine temperatures under various driving conditions. Both the inlet and outlet have a diameter of 1 5/8 inches, positioned on the left and right sides respectively, matching factory specifications for the compatible BMW models.
The CSF 1 Row Plastic Tank Aluminum Core product line focuses on combining lightweight plastic tanks with a robust aluminum core to balance durability and weight savings. This design approach supports efficient cooling while maintaining compatibility with original equipment mounting points and hose connections.
Applications and Common Issues Addressed
- Replacement for leaking or cracked radiators in BMW 3 Series models (323i, 325i, 325is, 328i, 328is, M3)
- Resolves overheating caused by clogged or damaged radiator cores
- Addresses coolant leaks from plastic tank failures
- Improves cooling efficiency in vehicles with aging or underperforming radiators
- Suitable for restoring factory cooling system performance after radiator damage
Installation Notes and Tips
- Ensure compatibility with your specific BMW model and year before installation
- Inspect and replace radiator hoses and clamps as needed during installation
- Bleed the cooling system properly to avoid air pockets after installation
- Verify inlet and outlet hose diameters match the radiator connections (1 5/8 inches)
- Use OEM-style mounting hardware to secure the radiator firmly
Quality Assurance and Warranty
The CSF 1 Row Plastic Tank Aluminum Core Radiator is manufactured to meet OEM specifications, using high-quality aluminum and plastic materials. While the radiator does not include a cap, it is designed for direct replacement with factory components. This part is free from hazardous materials and weighs approximately 10 pounds, ensuring ease of handling during installation. Warranty details should be confirmed with the distributor or manufacturer, as they may vary.
| Brand | CSF |
| Part Number | 2526 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Box Height (in) | 5 4/16 |
| Box Length (in) | 28 1/2 |
| Box Weight (lbs) | 10 |
| Box Width (in) | 20 13/16 |
| Cap Included | No |
| Core Length | 21 11/16 |
| Core Material | Aluminum |
| Core Thickness | 1 1/4 |
| Core Width | 17 1/4 |
| Down Flow Or Cross Flow Type | Cross Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 5/8 Left |
| Inlet Length (in) | 17 3/4 |
| Inlet Width (in) | 2 1/16 |
| Outlet Diameter | 1 5/8 Right |
| Outlet Length (in) | 17 3/4 |
| Outlet Width (in) | 2 1/16 |
| Radiator Core Row Quantity | 1 |
| Tank Material | Plastic |
| Tech Note | O.E.M. style Plastic tanks & Aluminum core;Manufactured with steel crimp strips to strengthen Radiator by 40% over O.E. |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Body Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1999 | BMW | 328i | 2.8L | L6 | N/A | OE Style Design; w/ E36 Body Code; 1 Row Plastic Tank Aluminum Core | ||
| 1999 | BMW | 328is | 2.8L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1999 | BMW | M3 | Coupe | Manual | 3.2L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 1998 | BMW | 323i | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1998 | BMW | 328i | 2.8L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1998 | BMW | 328is | 2.8L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1998 | BMW | M3 | Coupe | Manual | 3.2L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 1997 | BMW | 323i | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1997 | BMW | 325i | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1997 | BMW | 328i | 2.8L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1997 | BMW | 328is | 2.8L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1997 | BMW | M3 | Coupe | Manual | 3.2L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 1996 | BMW | 325i | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1996 | BMW | 328i | 2.8L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1996 | BMW | 328is | 2.8L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1996 | BMW | M3 | Coupe | Manual | 3.2L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 1995 | BMW | 325i | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1995 | BMW | 325is | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1995 | BMW | M3 | Coupe | Manual | 3.0L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 1994 | BMW | 325i | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1994 | BMW | 325is | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1994 | BMW | M3 | Coupe | Manual | 3.0L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 1993 | BMW | 325i | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1993 | BMW | 325is | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1992 | BMW | 325i | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | ||
| 1992 | BMW | 325is | 2.5L | L6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.