The Mishimoto Performance Oil Cooler Kit adds durability and cooling capacity to the 2015-2020 BMW F8X M3, M4, and M2 Competition. The factory tube-and-fin cooler hangs perpendicular to the cooling stack, exposing it to road hazards. Mishimoto replaces it with a full-aluminum TIG-welded bar-and-plate cooler that adds 10mm of core thickness for a 46 percent increase in core volume and raises oil capacity by roughly 0.4 qt. The kit includes flexible nylon braided lines, an oil line fitting kit, and adapters for AN fittings off the S55 oil pump. Backed by the Mishimoto Lifetime Warranty.
Specifications
| Type | Direct-fit performance oil cooler kit |
| Core | Bar and plate |
| Core Volume | 46% increase over stock |
| Added Capacity | ~0.4 qt |
| Includes | Nylon braided lines, fitting kit, and cooler adapters |
| Part Number | MMOC-F80-15K |
| Warranty | Mishimoto Lifetime Warranty |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2020 | BMW | M2 | Competition |
| 2015-2018 | BMW | M3 | Base |
| 2015-2020 | BMW | M4 | Base |
| 2019-2020 | BMW | M4 | CS |
| 2016 | BMW | M4 | GTS |
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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