AIRTEC Intercooler Upgrade for BMW E46 320d is the essential BMW diesel performance intercooler for anyone chasing cooler intake temps, stronger mid-range torque and reliable power on both standard and remapped cars. This uprated intercooler is engineered to cut charge temperatures, reduce heat soak and deliver consistent performance pull after pull on the road and on the dyno. UK made at AIRTEC HQ and finished to a high standard, it is the proven BMW E46 320d intercooler upgrade that enthusiasts trust.
We have fitted and used this AIRTEC 320d intercooler on customer E46s and it fits well, works hard to keep IATs down and customers have been very happy with the results. If you are searching for a BMW E46 320d intercooler, AIRTEC intercooler upgrade, BMW diesel performance intercooler, bar and plate FMIC upgrade or an uprated 320d intercooler for remapped builds, this is the one to buy.
- Proven 110 mm thick bar and plate core, specified by AIRTEC for efficient cooling and low pressure drop
- Cast end tanks with AIRTEC logo for improved airflow distribution and strength
- Dramatically reduces charge air temperatures on tuned diesel BMWs for safer, more consistent power
- Dyno proven power gains with cooler IATs and reduced heat soak
- Uses standard silicone hoses so no additional hose kit is required
- Supplied with all brackets, fixings and full fitting instructions for an easy installation
- Manufactured and fabricated in the UK
- 3 year unlimited mileage warranty
- Available finishes: Natural Silver or Pro-Series Black with AIRTEC logo available at no extra charge
- Unbeatable value for money from a leading UK brand
Best for: BMW E46 320d owners wanting a direct-fit intercooler upgrade for stage 1 or remapped cars, daily drivers and track-ready diesels seeking a reliable, high-flow charge air cooler solution. Ideal search terms include BMW E46 320d intercooler, AIRTEC E46 320d intercooler, BMW diesel intercooler upgrade, performance intercooler 320d and FMIC 320d.
Approximate dimensions
- Height: 140 mm
- Width: 676 mm not including pipes
- Core thickness: 110 mm
Why upgrade your BMW E46 320d intercooler
- Lower intake temperatures for safer running on remapped 320d engines
- Improved consistency on back-to-back pulls with reduced heat soak
- Greater efficiency helps unlock real-world power and torque
- High quality UK construction for durability and reliability
Fitment and installation
Designed for the BMW E46 320d. Direct-fit style upgrade that retains the standard silicone hoses. Includes brackets, fixings and instructions to make fitting straightforward.
Prefer professional installation. Book fitting with Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Finish options
- Natural Silver
- Pro-Series Black
- Optional AIRTEC logo at no extra charge
In summary
If you are looking for a BMW E46 320d intercooler upgrade that is UK made, proven on remapped diesels, easy to fit and great value, the AIRTEC uprated intercooler is your go-to choice. Shop the AIRTEC performance intercooler for E46 320d today and enjoy cooler IATs, stronger performance and long-term reliability.



