Description
The Mishimoto MMOC-G80-21SL is a direct-fit performance oil cooler engineered specifically for the BMW G8X-chassis M2, M3, and M4, built around a bar-and-plate core with CNC-machined end tanks to address a known weak point in the factory cooling setup. Where the stock tube-and-fin cooler sits low on the undercarriage and parallel to the road, exposed to scrapes and road debris, Mishimoto’s replacement bolts into the same location while upgrading the core itself. The design is protected under U.S. Patent #D1,040,704 S and backed by the Mishimoto Lifetime Warranty.
Mishimoto built this oil cooler with a 35.7-percent thicker core and a 41-percent increase in core volume compared to the stock unit, giving the S58-powered G8X chassis added cooling capacity for spirited street driving and track sessions. The full-aluminum, TIG-welded bar-and-plate construction is designed to tolerate higher pressure than the factory tube-and-fin core, and the silver, anodized, powder-coated finish is added for corrosion resistance. Because the kit retains the stock seals and bash guards, it preserves the factory airflow path from the fresh-air ducts and keeps the same protection against bumps and curbs, all without any cutting or permanent modification to the vehicle.
Vehicle Applications
This Mishimoto oil cooler is designed for the BMW G8X platform, spanning the G80, G82, G83, and G87 chassis codes equipped with the S58B30T0 engine. Coverage includes the BMW M2 Base (2023–2026) and BMW M2 Coupe (2023–2024 and 2026), along with the M2 CS (2026). On the M3 side, fitment covers the M3 Base (2021–2024 and 2026), M3 Competition (2021–2026), M3 Competition xDrive (2022–2026), and M3 CS (2024). For the M4, coverage extends to the M4 Base (2021–2026), M4 Competition (2021–2023 and 2025–2026), M4 Competition Heritage (2023), M4 Competition xDrive (2022–2026), M4 CS (2025–2026), and M4 CSL (2023).
Features
- Direct fit for the applicable 2021+ BMW G8X M2/M3/M4 chassis
- Full aluminum, TIG-welded construction
- 41-percent increase in core volume and a 35.7-percent thicker core than the stock cooler for improved cooling efficiency
- Robust bar-and-plate core provides superior pressure tolerance and durability
- Retains stock seals for optimal airflow from the fresh air ducts
- Retains factory bash guards to protect the cooler from bumps and curbs
- Silver powder-coated finish for corrosion resistance
- No cutting or modifications required for installation
- Includes everything needed for installation
- Covered under U.S. Patent #D1,040,704 S
- Backed by the Mishimoto Lifetime Warranty
Specifications
- Brand: Mishimoto
- Part Number: MMOC-G80-21SL
- Core Material: Aluminum
- Core Type: Bar-and-Plate
- Grade Type: Performance
- Finish: Anodized
- Color: Silver
- Core Height: 6.24 in
- Core Thickness: 1.5 in
- Core Width: 25 in
- Cooler Fluid Capacity: 1.3 qt
- Inlet Fitting Type: AN Flare (Male)
- Outlet Fitting Type: AN Flare (Male)
- Core Charge Applicable: No
- Chassis Codes: G80, G82, G83, G87
- Engine Code: S58B30T0
- Includes: (1) Mishimoto Performance Oil Cooler, Replacement O-Rings, Mounting Hardware, Mishimoto Lifetime Warranty
Frequently Asked Questions
What vehicles does the Mishimoto MMOC-G80-21SL oil cooler fit?
It fits the BMW G8X chassis (G80, G82, G83, G87) with the S58B30T0 engine, including the M2 Base (2023–2026), M2 Coupe (2023–2024, 2026), M2 CS (2026), M3 Base (2021–2024, 2026), M3 Competition (2021–2026), M3 Competition xDrive (2022–2026), M3 CS (2024), M4 Base (2021–2026), M4 Competition (2021–2023, 2025–2026), M4 Competition Heritage (2023), M4 Competition xDrive (2022–2026), M4 CS (2025–2026), and M4 CSL (2023).
What type of core does this Mishimoto oil cooler use?
It uses a full-aluminum, TIG-welded bar-and-plate core with CNC-machined end tanks, replacing the stock tube-and-fin cooler design.
How much more cooling capacity does this cooler provide compared to stock?
Mishimoto’s cooler features a 35.7-percent thicker core and a 41-percent increase in core volume over the factory unit.
Does installing this oil cooler require cutting or modifying the vehicle?
No. It is a direct-fit replacement that requires no cutting or modifications and retains the stock seals and bash guards.
What is included in the Mishimoto oil cooler kit?
The kit includes (1) Mishimoto Performance Oil Cooler, replacement O-rings, mounting hardware, and the Mishimoto Lifetime Warranty.
What warranty comes with this Mishimoto oil cooler?
It is backed by the Mishimoto Lifetime Warranty.
âš WARNING (California Proposition 65): This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
