DO88 Engine Oil Cooler (BMW E9X M3)

By DO88
£736.00
Worldwide Shipping
Official Dealer

Product Description

The DO88 Engine Oil Cooler – BMW E9X M3 is a DO88 fluid cooling upgrade designed to improve thermal control and durability on BMW E9X M3 applications.

Engine oil, transmission oil, DCT fluid, power steering fluid and auxiliary circuits can all be exposed to high temperatures during spirited road use, track days and motorsport environments. When temperatures rise, consistency and component protection can be reduced.

This DO88 upgrade is developed to increase cooling performance over the factory arrangement, using application-specific construction and fitment to support more stable operating temperatures under load. It is particularly useful on tuned, track-driven or endurance-focused cars where heat management is a reliability priority.

This is the product for the experienced driver demanding nothing but the best! It's suitable for track racing, endurance racing, track days or inspired street usage, where there's no room for compromise in terms of perseverance. This is one of the products in the history of DO88 that has taken the most man hours to develop, which is clearly shown in the fitment, finish and performance.

Key Features

Significant advantages compared to original:

  • 69% bigger core volume, 5247 cm3 vs 3105 cm3.
  • 59% bigger active cooling area , 7728 cm2 vs 4858 cm2.
  • 19% lower oil temperature after the oil cooler compared at same test conditions, 84°C vs. 103°C! See diagram below!
  • 13,9% higher oil volume in the actual oil cooler.
  • Drop-in installation, no modifications are necessary. Fits together with OEM oil lines* and brackets.
  • High efficient 10 row Bar & Plate core with high density offset fin design.
  • CNC-machined oil line connections, fits together with all versions of oil lines*.
  • CNC-machined brackets.

*On year models 2007 and early 2008 models the connections on the oil lines may need to be modified. See installation instructions for more detailed information.

Vehicle Compatibility

  • BMW M3 E90 / E92 / E93
    Year models: 2007*-2013
    Engine: S65B40, S65B44
  • Replaces OEM Part Number: 17212284075

*On year models 2007 and early 2008 models the connections on the oil lines may need to be modified. See installation instructions for more detailed information.

FAQs

Which vehicles does the Engine Oil Cooler fit?

This product is listed for BMW E9X M3 applications. Always confirm the exact model, engine and year against the compatibility list before ordering.

Why upgrade the factory cooling system?

Factory coolers and radiators can become a limitation during sustained hard use. A higher-capacity DO88 cooling component helps control temperatures more consistently, which is important for tuned cars, track days and repeated high-load driving.

Is this useful on a standard car?

Yes. Even on a standard car, improved cooling can add durability and consistency during hot weather or demanding driving. The benefit becomes more important as power, track use or thermal load increases.

Will this require coding or ECU changes?

Cooling hardware normally does not require coding. Correct installation, fluid filling, bleeding and leak checking are the important steps before the car is driven hard.

Is professional installation recommended?

Yes. Professional fitting is recommended so the cooler is mounted correctly, fluid or boost connections are sealed and the system is bled or pressure-tested where required.

Is this plug and play?

No modifications are necessary. Fits together with OEM oil lines and brackets. However, on year models 2007 and early 2008 models the connections on the oil lines may need to be modified. See installation instructions for more detailed information.

Shipping & Delivery

Dispatch Times

Most stocked items dispatch within 1–2 business days. Some products may have longer lead times due to special ordering, availability, or build times. If your order contains multiple items, they may be shipped together once all items are ready unless otherwise agreed.

UK & International Shipping

We ship worldwide. Transit times vary depending on destination and courier. Tracking details are provided once your order is dispatched.

Import Duties & International Orders

International customers are responsible for all import duties, taxes, and clearance fees. These are not included in our prices and are outside of our control. Refusal or non-payment of import charges may result in return shipping, handling fees, and customs charges being deducted from any refund.

Damaged Shipments

If your parcel arrives visibly damaged, please refuse delivery or note the damage with the courier. If damage is discovered after opening, contact us immediately with photos. Do not install damaged items, as installation voids courier claims and return eligibility.

Returns

Returns must be authorised before sending anything back. Returns must be requested within 14 days of delivery and returned within 14 days of approval, in unused/uninstalled condition and in original packaging. Some items, including special-order, built-to-order, used, installed, or modified parts, are non-returnable.

Full details are available in our Shipping Policy and Returns & Refund Policy.

Warranty & Disclaimer

Warranty

Most products include a manufacturer’s warranty covering manufacturing defects only. Warranties do not cover wear and tear, improper installation, misuse or neglect, track use, competition or racing environments, labour costs, vehicle damage, downtime, or consequential loss. Warranty outcomes are determined by the manufacturer, not Clubsport Garage. Items must be returned for inspection at the customer’s cost unless agreed otherwise.

Fitment & Installation

Many products are aftermarket components and may require professional installation or minor adjustment. Perfect OEM-level fitment cannot be guaranteed. Professional installation by an experienced workshop is strongly recommended. Installed or used items cannot be returned.

Motorsport Use Disclaimer

Some products are intended for off-road, track, or motorsport use only and may not be legal for road use, for example non-TÜV/DOT-approved parts. It is the customer’s responsibility to ensure compliance with local laws, insurance requirements, and vehicle regulations. By purchasing and installing aftermarket parts, you accept all responsibility for ensuring compatibility, legal compliance, proper installation, and any resulting wear, damage, or failure.

Product Images & Descriptions

Product photos are illustrative and may differ slightly from the item supplied. If specific details are important, please contact us before purchasing.

Full details are available in our Terms of Service and related policy pages.