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SKU: 8317
CSF F1X M5/M6 & F9X M5/M8 High-Performance Engine Oil Cooler
The BMW S63 Twin-Turbo V8 is the beating heart of the F1X M5/M6 and F9X M5/M8, delivering incredible performance. Over the years, CSF has been a key player in pushing the power limits of the S63 with its Twin Charge Air Coolers (CSF #8109 & CSF #8178). Today, many M5s, M6s, and M8s are producing well over 1000HP, but with increased power comes increased heat
- High Efficiency & Rugged Durability Bar/Plate Design
- 33% Larger 60mm Core – Oil capacity is increased by 0.5 quarts (0.47L).
- Cast End Tanks with 100% TIG-Welded Construction
- Developed with CarBahn Autoworks to handle the heat of their S63 Stroker Kit
- CNC Machined Mounting Brackets and OEM Style Inlet/Outlet Connection
- Individually Leak and Pressure Tested
- True Plug-and-Play “Drop-in Fit” Installation. It is recommended to trim the OE Ducting and Lower Radiator Cradle for better fitment.
- Satin Black Finish
- 2-Year Limited Warranty
- Applications:
- 2012-2016 BMW F10 M5 (incl. Competition)
- 2012-2018 BMW F1X M6 (incl. Competition)
- 2013-2019 BMW F06 M6 (incl. Competition)
- 2017-2023 BMW F90 M5 (incl. Competition)
- 2020+ BMW F9X M8 (incl. Competition)
- 2019+ BMW G1X M850i xDrive
- OEM Part Numbers:
- BMW: 17212284260
- BMW: 17228746756
As power levels climb, so do oil temperatures, with some owners reporting temperatures exceeding 240°F (115°C) on hot track days. With power limits being pushed further than ever and many of these M cars aging, factory cooling systems struggle to keep up.
Steve Dinan’s Carbahn originally approached CSF about making this oil cooler to compliment their new S63 Stroker Kit. Carbahn engineers worked closely with CSF to design an oil cooler that could handle the power and heat increases. Now, CSF is proud to introduce the High-Performance Engine Oil Cooler for the F1X M5/M6 & F9X M5/M8, a must-have upgrade for S63 owners.
Design & Engineering
CSF collaborated with the team at Carbahn to ensure maximum compatibility and performance, creating a drop-in solution for both platforms. Designed specifically to handle the extra heat of their new S63 Stroker Kit, this oil cooler built for ultimate performance and power.
However, performance isn’t the only reason to upgrade. Many F1X & F9X owners have been forced to replace their oil coolers due to leaks and damage, largely because of their vulnerable mounting position; a problem that worsens with lowered suspension setups. A stronger, more robust design was needed to solve these issues.
CSF vs OEM
The original OE oil cooler from BMW is an all metal design which would make you think it would be fairly robust. However, there are several weak spots in the design that make it far less durable than it could be. The CSF design resolves these issues with more robust materials and reinforcing weak points.
At first glance, the original BMW OE oil cooler appears solid due to its all-metal construction. However, design weaknesses make it far less durable than expected. CSF tackled these flaws by using stronger materials and reinforced engineering to create a superior replacement:
- CNC-Machined Connection Blocks – TIG-welded for extreme durability, ensuring they withstand any abuse.
- Upgraded Core Design – Swaps the fragile Tube & Fin core for a heavy-duty Bar & Plate core, making it far more impact-resistant in case of a front-end scrape or bottom-out.
- 33% Larger Core – Features three additional rows of oil cooling and a thicker 60mm core (vs. OEM 45mm core) for improved heat dissipation. Oil capacity is increased by 0.5 quarts (0.47L).
- TIG-Welded End Tanks – Stronger and more durable than the factory’s brazed construction, reducing the risk of leaks.
With enhanced cooling performance, increased durability, and precision engineering, CSF’s new High-Performance Engine Oil Cooler is the perfect solution for S63 owners pushing their cars to the limit.
|
Feature |
CSF |
OEM |
|
# Cooling Tubes |
14 |
11 |
|
# Cooling Fin Rows |
15 |
12 |
|
Fin Height/Width |
6.5mm |
8mm |
|
Core Thickness |
60mm (2.36 inches) |
45mm (1.77 inches) |
|
Core Material |
Aluminum |
Aluminum |
|
Core Construction |
Bar & Plate |
Tube & Fin |
|
Tank Material |
Aluminum |
Aluminum |
|
Construction |
100% TIG Welded |
Brazed |
An Essential Upgrade for Any F1X/F9X
Whether your M5, M6, or M8 is a daily driver, weekend cruiser, or dedicated track car, upgrading the oil cooler is a smart investment. Tuned S63s, especially those with upgraded turbos, generate significantly more heat, making efficient cooling even more critical.
Excessive oil temperatures can quickly trigger limp mode and, in extreme cases, lead to catastrophic engine failure. CSF’s new High-Performance Engine Oil Cooler isn’t just about maximizing performance; it is also a preventative upgrade that helps avoid costly repairs and extends the longevity of your engine.
Installation
For the first installation and testing, the CSF F10 M5 was the perfect candidate. The team headed to Bullet Performance in Costa Mesa, California, where the oil cooler install went flawlessly.
While we were at it, we took the opportunity to upgrade the intake system as well. Thanks to our good friends at Eventuri, the M5 received a Full Black Carbon Intake System, adding both performance and stunning aesthetics to the engine bay.
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