
CSF RADIATOR FOR BMW F20/F21 1 SERIES - MANUAL
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Description
- Power increase of 15-20 hp on stock cars, 25+ hp on modified vehicles.
- 25c+ drop in charge temperatures when compared to OE intercooler
- Independent testing shows a 5c temp reduction vs. Wagner EVO 2 - See here https://babybmw.net/viewtopic.php?f=74&t=105037
- World Exclusive: Curved Bar Design - Maximising bar surface area and increasing flow through the core for improved cooling power!
- Stepped core design for maximum surface area contact and internal intake air-flow volume.
- Largest “drop-in fit” intercooler available in the industry.
- Designed with 3D scanning / rapid prototype technology to ensure precise fitment and maximum surface area utilization.
- Lab tested on CSF’s in-house wind tunnel.
- Drop-in fit” design for an easy & quick plug-and-play installation.
- Complete with OEM style “Quick-Connect” inlet/outlet connections.
- Fully reversible back to OEM spec with no modifications needed.
- Available in silver (#8115) and matte black (#8115B)
| Year | Model | Sub-Model | Chassis Code | Engine Code |
| 10-19 | 114d | 5 Doors | F20 | N47N |
| 14-19 | 114d | 5 Doors | F20 | B37 |
| 10-15 | 114i | 5 Doors | F20 | N13 |
| 10-15 | 116d | 5 Doors | F20 | N47N |
| 14-19 | 116d | 5 Doors | F20 | B37 |
| 10-15 | 116i | 5 Doors | F20 | N13 |
| 10-15 | 118d(X) | 5 Doors | F20 | N47N |
| 14-19 | 118d(X) | 5 Doors | F20 | B47 |
| 10-19 | 118i | 5 Doors | F20 | N13 |
| 10-15 | 120d(X) | 5 Doors | F20 | N47N |
| 14-19 | 120i | 5 Doors | F20 | N13 |
| 11-16 | M135i(X) | 5 Doors | F20 | N55 |
| 10-19 | 114d | 3 Doors | F21 | N47N |
| 14-19 | 114d | 3 Doors | F21 | B37 |
| 10-15 | 114i | 3 Doors | F21 | N13 |
| 10-15 | 116d | 3 Doors | F21 | N47N |
| 14-19 | 116d | 3 Doors | F21 | B37 |
| 10-15 | 116i | 3 Doors | F21 | N13 |
| 10-15 | 118d(X) | 3 Doors | F21 | N47N |
| 14-19 | 118d(X) | 3 Doors | F21 | B47 |
| 10-15 | 118i | 3 Doors | F21 | N13 |
| 10-15 | 120d(X) | 3 Doors | F21 | N47N |
| 14-19 | 120i | 3 Doors | F21 | N13 |
| 11-16 | M135i(X) | 3 Doors | F21 | N55 |
More information
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Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering. Contact us if you need to confirm compatibility, intended use or any product-specific conditions.
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Specifications
- Brand
- CSF
- Product type
- Radiators
- Transmission
- Automatic
- Vehicle make
- BMW
- Vehicle model
- M135i
- Vehicle variant
- F20 and F21

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Product questions answered
Helpful answers before you order. Need more detail? Our team can help.
How do I confirm this part fits my vehicle?
Check the model, year, engine, chassis and any exclusions in the product description. Select the required option before adding to your basket. The vehicle selector helps narrow your search; contact us if your car has different factory options or existing modifications.
Will I need any other parts?
Check the included components and fitting notes for your engine and current setup. Connections, sensors, pipework or supporting changes may differ between options. Ask us to confirm the requirements for your chosen part.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
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