Dinan High Capacity Oil Cooler System for BMW E90 335i — cars without factory oil cooler, M‑Technic bumper
Take control of oil temperatures on your BMW 335i with the Dinan High Capacity Oil Cooler System. This BMW E90 335i oil cooler upgrade is engineered specifically for cars without the factory oil cooler and with the M‑Technic bumper, delivering a proven solution to high oil temps, heat soak and dreaded limp mode during spirited road driving and track days.
Dinan’s high efficiency heat exchanger offers literally twice the volume of the stock unit and an immense 414 sq/in of cooling tube area versus 112.5 sq/in on the OEM cooler. The result is a serious step up in oil temperature control, helping maintain consistent performance, reliability and confidence when you push your 335i hard.
- High capacity oil cooler designed for BMW E90 335i without factory oil cooler and with M‑Technic bumper
- Twice the oil volume compared to the stock unit for greater thermal stability
- 414 sq/in of cooling tube area vs 112.5 sq/in on OEM for dramatically improved heat rejection
- Integrated inlet ducting for optimised airflow to the cooler core
- Enlarged outlet for improved ventilation to the fender well
- Mounts neatly in the stock location for a clean, OEM‑style install
- Lightweight convoluted PTFE hoses with polyester outer braid and race‑quality fittings
- Reduces the risk of limp mode in hot conditions, on fast road drives and at track days
Why choose this BMW 335i oil cooler upgrade
If you are searching for BMW 335i oil cooler, BMW E90 335i oil cooler kit, Dinan oil cooler, high capacity oil cooler for 335i or BMW 335i oil cooler upgrade, this is the premium, proven choice. The Dinan High Capacity Oil Cooler is a direct, high quality upgrade that keeps oil temps in check, protects your engine and supports consistent power delivery.
Nforcd tested and customer approved
We have used this Dinan oil cooler on builds and our customers have been consistently impressed with the drop in oil temperatures and the confidence it brings on road and track. It is a genuine performance and reliability upgrade for the E90 335i.
Fitment
BMW 3 Series E90 335i only. For vehicles without the factory oil cooler and equipped with the M‑Technic bumper.
Installation and support
Professional fitting available at Nforcd in Warwickshire. Request a quote via Sales@nforcd.com. If you are unsure about compatibility, contact us and we will be happy to help.
Keywords: BMW 335i oil cooler, BMW E90 335i oil cooler, E90 335i oil cooler upgrade, Dinan oil cooler kit, high capacity oil cooler, BMW 3 Series 335i oil cooler, performance oil cooler, track day oil cooler, M‑Technic bumper oil cooler.

