Wagner Tuning Competition FMIC Front Mount Intercooler/Charge Air Cooler Upgrade Kit for BMW E46 3 Series 318d 320d 330d Diesel – Direct-Fit 63mm OE Click, Fits 320Cd 330Cd 330xd (2003+)

Upgrade your BMW 3 Series E46 diesel with a serious front mount charge cooler designed for real-world power, reliability and repeatable performance. This uprated FMIC is a direct replacement for the factory unit and is the go-to choice for 318d, 320d and 330d owners looking for lower intake temps, stronger mid-range punch and stable performance on fast road, track day or towing duty.

Why choose this uprated charge air cooler

• Stepped tube and fin core engineered for the E46 diesel platform
• 31 percent larger frontal area than stock for greater airflow exposure
• Approx. 205 percent increase in core volume for significant thermal capacity
• Low pressure drop for faster boost recovery and sharper response
• CFD-optimised cast aluminium end tanks for efficient flow distribution
• Durable anti-corrosion powder coating for long-term heat rejection and protection
• Direct-fit upgrade with OE-style 63 mm 2.5 inch click connections

Real-world gains you can feel

Expect colder charge air, reduced heat soak and more consistent power, especially on tuned cars and repeated pulls. We use this cooler on customer builds and it delivers excellent IAT control and driveability. Feedback from E46 diesel owners has been outstanding, praising the stronger, cleaner pull through the rev range and rock-solid performance on spirited drives.

Vehicle compatibility

• BMW E46 318d 85 kW 116 PS from 2003
• BMW E46 320d, 320Cd, 320td 100 to 110 kW 136 to 150 PS from 2003
• BMW E46 330d, 330Cd, 330xd 135 to 150 kW 184 to 204 PS from 2003

Note: Not suitable for 320td Compact with M bumper. BMW bumper part numbers 51 11 7 894 750 or 51 71 7 895 094 [XENON].

Technical details

• Inlet diameter: 63 mm 2.5 inch OE click connection
• Outlet diameter: 63 mm 2.5 inch OE click connection
• Core size stepped: 550 mm x 168 [139] mm x 120 [100] mm
• Core size stepped inches: 21.6 x 6.6 [5.5] x 4.7 [3.9]
• Stock intercooler dimensions: 540 mm x 130 mm x 50 mm 21.3 x 5.1 x 2 inch
• Stock volume: approx. 3.51 litres vs upgraded volume approx. 10.7 litres

What you get

• Performance front mount intercooler
• Fitting hardware
• Installation guide

Perfect for your diesel tuning goals

Whether you are running a stock calibration or a remap, this uprated boost cooler is an essential supporting mod for dependable power and cooler EGTs. Ideal for fast road, autobahn cruising and repeated high-load driving where the factory unit heat soaks quickly.

Fitting and support

Bolt-on installation replaces the standard intercooler with no permanent modifications. Want professional fitting. Book in with MJ Modifications in Warwickshire and we will take care of everything. Request a fitting quote at info@mjmodifications.co.uk.

Search-friendly terms

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