CSF BMW E46 M3 Race-spec Dual-pass Oil Cooler — Part No. 8032
Unlock dependable oil temperature control for hard road use and track days with the CSF BMW E46 M3 race-spec dual-pass oil cooler. Developed with Rogue Engineering, this CSF oil cooler is a direct-fit, drop-in upgrade for the E46 M3 that replaces the restrictive single-pass OEM unit with a high-efficiency dual-pass design. If you are searching for an E46 M3 oil cooler upgrade, race oil cooler, track oil cooler, or performance oil cooler for BMW E46 M3, this is the proven solution for consistent cooling, maximum reliability, and long-term durability.
We have installed and used this cooler on our own builds and customer E46 M3 track cars, and feedback has been excellent. Fitment is straightforward, oil temps stay under control, and on-track reliability is rock solid. This is the E46 M3 oil cooler we recommend for fast road, track day, time attack, drift, and endurance applications.
Why upgrade the E46 M3 oil cooler
- Dual-pass flow path for increased heat rejection versus the factory single-pass cooler
- Greater surface area and high density multi-louvered fins for improved efficiency
- Heavy duty bar and plate core for superior strength and impact resistance
- Fully TIG-welded extruded end tanks for maximum reliability and long service life
- Direct OEM replacement that accepts factory oil-line connections, no modifications required
- Precise fitment with the OEM bumper, compatible with splitters and undertrays
Key features and specifications
- Unique top and bottom dual-pass design for maximum surface area and flow
- “Drop-in fit” accepts factory oil lines and uses OEM mounting points
- Fully TIG-welded extruded end tanks, not mechanically jointed, for superior durability
- Heavy duty turbulated bar and plate construction to withstand track abuse
- Eight-row core with high density multi-louvered fins for efficient heat transfer
- Designed to work with OEM radiator brackets or CSF’s all-aluminium triple-pass radiator, part number CSF 7058
- Replaces OEM single-pass cooler and plastic shroud for a stronger, more efficient package
Vehicle compatibility
BMW 3 Series E46 M3 (1997–2006)
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Fitting and installation
This CSF oil cooler is a direct bolt-on, OEM replacement that accepts factory oil-line connections. For professional installation and setup, we offer fitting at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility check
We verify fitment before dispatch. Provide your UK registration number or the last 7 digits of your VIN at checkout so we can confirm compatibility for your BMW E46 M3.
Part number
CSF 8032
Manufacturer
CSF Radiators
Warranty
CSF Lifetime Warranty
If you are upgrading the E46 M3 cooling system for track day reliability, fast road performance, or competition use, the CSF 8032 dual-pass oil cooler is the trusted, direct-fit choice that delivers consistent oil temperature control and unmatched durability.