Mishimoto BMW E46 M3 Performance Aluminium Radiator
The ultimate BMW E46 M3 radiator upgrade for road, track and fast road builds. The Mishimoto Performance Aluminium Radiator for the E46 M3 is engineered for the S54 to solve heat soak and improve cooling efficiency. If you are chasing reliability, track-day consistency and long-term durability on your 2001 to 2006 BMW E46 M3, this alloy radiator is the proven solution.
Part Number: MMRAD-E46-01
Why choose this E46 M3 aluminium radiator
This BMW E46 M3 performance radiator delivers a dense dual row core, TIG welded aluminium end tanks and precision CNC quick disconnect fittings for a true direct fit. Expect cooler running temperatures, improved heat rejection and reliability that OEM plastic tanks simply cannot match.
- Direct fit radiator for 2001 to 2006 BMW E46 M3 S54
- Performance aluminium radiator for road and track use
- Dense dual row core for maximum heat transfer
- TIG welded aluminium end tanks for strength and durability
- Precision CNC quick disconnect fittings to suit stock hoses
- Works with stock clutch fan or Mishimoto electric fan shroud
- Compatible with most aftermarket supercharger kits
- Includes fan tool for clutch fan removal
- 1/8" NPT port for sensor installation
- Backed by the Mishimoto Lifetime Warranty
Proven cooling gains for the S54
- 32 percent increase in coolant surface area
- 15 percent increase in air surface area
- 25 percent increase in coolant capacity
More surface area and capacity equals better cooling efficiency and consistent performance on spirited drives and track days. Ideal for hot climates, Nürburgring trips and endurance sessions.
Real world results
We have fitted and used this Mishimoto E46 M3 radiator on customer cars and our own builds. Feedback is excellent. Customers report stable coolant temps, fast recovery between sessions and a noticeable boost in confidence when pushing on track. It is a genuine plug and play cooling upgrade that transforms reliability.
Specifications
- Overall size: 27.4" x 17.0" x 4.4"
- Core size: 22.83" x 16.14"
- Rows: 2
- Inlet and outlet: Stock style quick disconnect
- Core thickness: 1.90"
- Tank wall thickness: 0.08"
What is included
- Mishimoto Aluminium Radiator
- Fan tool
- Black 1/8" NPT plug
- (5) M6 x 1.0 x 16 mm flange hex bolts
- Mishimoto Lifetime Warranty
Compatibility
- Fits: 2001 to 2006 BMW E46 M3
- Engine code: S54
- Chassis code: E46
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Installation and fitting
This is a complete bolt in radiator that reuses the stock shrouds and mounts. No cutting required. Works with the OEM clutch fan or the Mishimoto electric fan shroud. The integrated 1/8" NPT port makes adding a temperature sensor straightforward.
Want it professionally fitted. Nforcd offers installation at our Warwickshire workshop. Request a quote at Sales@nforcd.com.
Compatibility check before dispatch
We run a compatibility check prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to ensure a perfect fit for your BMW E46 M3 S54.
Videos
Why buy your E46 M3 radiator from Nforcd
- Specialists in BMW performance cooling upgrades
- Proven on customer cars and our own builds
- Straightforward advice, aftercare and fitting support
Part Number: MMRAD-E46-01




