do88
This is the absolute complete package for those looking for the full range of do-88 cooling solutions for the BMW M3. The package only fits versions with automatic transmissions. Includes:
M3 Engine Oil Cooler
Significant advantages of the do88 oil cooler over the original:
– 69% larger core volume, 5247 cm3 versus 3105 cm3.
– 59% larger active cooling area, 7728 cm2 versus 4858 cm2.
– 19% lower oil temperature after the oil cooler compared to the same test conditions, 84Β°C versus 103Β°C!
– 13.9% more oil volume in the actual oil cooler.
– Instant installation, no modifications required. Mounts with the OEM oil lines and brackets.
– Bar & High-efficiency 10-row plate with high-density staggered fin design.
– CNC-machined oil line connections, fit all oil line versions.
– CNC-machined brackets.
M3 DCT / DKG Oil Cooler
Significant advantages of the do88 oil cooler over the original:
– 217% larger internal volume, 2208 cm3 compared to 696 cm3
– 178% larger active cooling area, 3456 cm2 compared to 1242 cm2
– 18% lower oil temperature beyond the oil cooler: 74Β°C compared to the original 90Β°C!
– 110% larger oil volume, 6.5 dl compared to 3.1 dl
– Drop-in installation, no modifications required, fits OEM oil lines and brackets.
– Highly efficient 18-row Bar & Plate cell core.
– CNC-machined oil line connections, suitable for all oil line versions.
– CNC-machined brackets.
– The cooler can be easily pre-filled, meaning you don’t have to change all the fluid in the system.
M3 Power Steering Cooler
Significant advantages of the do88 oil cooler over the original:
– 261% larger core volume, 1562 cm3 vs. 432 cm3.
– 100% greater active cooling area, 578.5 cm2 vs. 288 cm2.
– 100% larger oil volume, 200 ml vs. 100 ml.
– Drop-in installation, no modifications required, fits OEM oil lines and brackets.
M3 Radiator
Significant advantages of the do88 radiator over the original:
– 14% larger core volume, 11,193 cm3 compared to 9,795 cm3
– 8% lower coolant temperature after the radiator under the same test conditions: 73Β°C compared to 79Β°C!
– Instant installation, no modifications required. Fits all OEM brackets, AC condenser, fan shroud, hoses, etc.
– High-efficiency core with 6.3 mm fin height and multi-slot design.
– Dual-core design, 2-row 41 mm core.
– CNC-machined hose quick-connects.
– CNC-machined brackets for the radiator brackets and fan shroud.
This is the product for the experienced driver who demands nothing but the best! It’s suitable for track racing, endurance racing, track days, or dedicated street use, where there’s no room for compromise in terms of endurance. This is one of the products in do88’s history that has required the most hours of work to develop, which is clearly demonstrated by the fit, finish, and performance.
This is the only high-end product that will eliminate your heat issues and allow your car to drive as it was designed!


