SKU: 8355 | UPC: 710353083550
CSF BMW F87 M2 and Gen 1 B58 High Performance Auxiliary Radiator 2016-2021
CSF High Performance Auxiliary Radiator part number 8355 delivers enhanced engine cooling for BMW F87 M2 and Generation 1 B58-equipped models including 340i 440i and M240i. This all-aluminum unit mounts behind the stock AC condenser with plug-and-play fitment to manage higher heat loads from tuned or track-driven engines. It provides 42% greater coolant volume than OEM for sustained performance during demanding conditions.
Key Features
- All-Aluminum Construction: Lightweight at 5.1 lbs with brazed aluminum core for maximum durability and heat transfer efficiency.
- 42% Increased Volume: Larger 10.6" x 5.8" x 1.6" core size holds more coolant to lower temperatures by up to 20 degrees over stock.
- 5mm Fin Technology: High-density fins improve airflow and heat dissipation without restricting air to primary radiator.
- Plug-and-Play Design: Direct OEM replacement with no modifications cutting or fabrication required for easy install.
- Reinforced Mounting: Heavy-duty brackets ensure secure fitment under high-pressure track abuse.
Product Notes
- MPN 8355 TURN14_ID 894614 designed as OEM auxiliary radiator upgrade.
- Pair with CSF primary radiator for full cooling system improvement.
- Ships in protective foam-lined box 20" x 14" x 5" dimensions.
Installation Notes
- Professional installation recommended.
- Drain coolant system before removal of OEM unit.
- Uses factory mounting points and hardware no additional brackets needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | BMW | 340i | Base |
| 2017-2019 | BMW | 340i GT xDrive | Base |
| 2016-2018 | BMW | 340i xDrive | Base |
| 2017-2020 | BMW | 430i | Base |
| 2017-2020 | BMW | 430i Gran Coupe | Base |
| 2017-2020 | BMW | 430i xDrive | Base |
| 2017-2020 | BMW | 430i xDrive Gran Coupe | Base |
| 2017-2020 | BMW | 440i | Base |
| 2017-2020 | BMW | 440i Gran Coupe | Base |
| 2017-2020 | BMW | 440i xDrive | Base |
| 2017-2020 | BMW | 440i xDrive Gran Coupe | Base |
| 2016-2021 | BMW | M2 | Base |
| 2017-2021 | BMW | M240i | Base |
| 2017-2021 | BMW | M240i xDrive | Base |
Why Choose CSF?
- Decades of motorsport cooling expertise in BMW applications.
- Hand-brazed in Southern California for precise quality control.
- Engineered for track and street with real-world dyno testing.
Frequently Asked Questions
-
Q: Will this fit 2019+ BMW M2 Competition models?
A: Yes compatible with F87 M2 through 2021 and all Gen 1 B58 3.0L turbo engines as listed. -
Q: What material is used in construction?
A: 100% aluminum with brazed core tube-and-fin design and epoxy-free assembly for longevity. -
Q: What warranty coverage applies?
A: CSF provides a Limited Lifetime Warranty against manufacturing defects when installed properly.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure foam packaging box dimensions 20 x 14 x 5 inches
- Weight: 5.1 lbs product weight 7 lbs shipping weight
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