Wagner Tuning Competition Intercooler Kit for BMW 5 Series G30/G31 520d 530d 540d (Diesel B47/B57) - FMIC/Charge Air Cooler Upgrade, Uprated Front Mount Air-to-Air CAC, Plug-and-Play, Fits xDrive, 2017-2023

High‑flow FMIC upgrade for BMW 5 Series G30 and G31 520d to 540d

Unlock consistent, repeatable performance from your turbo diesel with this Wagner Tuning front mount charge cooler. Designed specifically for the G30 and G31 5 Series oil‑burners, it delivers colder intake temps, reduced heat‑soak and superb airflow for fast road and tuned cars alike.

Why choose this upgraded cooler

• Massive increase in core size: 570 x 236 x 150 mm stepped design for outstanding thermal efficiency
• About 70 percent larger external cooling area than the factory unit
• Approx 112 percent more internal volume than stock – around 16.2 litres vs 7.6 litres
• Lightweight assembly at only 10.5 kg
• CFD‑optimised cast aluminium end tanks with internal air guides for even flow distribution
• Excellent temperature control with minimal pressure drop for stronger, more consistent boost
• Durable black anti‑corrosion coating with superior heat dissipation
• Direct replacement using OE mounting points and original boost hoses – true plug and play

Perfect for performance builds

Whether your 520d, 530d or 540d is stock or remapped, this high‑efficiency air‑to‑air cooler helps maintain low intake temperatures, supports higher sustained load, improves response and keeps power consistent on spirited drives, motorway runs and track sessions. We have fitted these units and customer feedback has been excellent for reliability and real‑world gains.

Technical data

• New core size: 570 mm x 236 mm x 150 mm, stepped
• New core volume: approx 16.2 litres
• New external area: approx 1,345 cm²
• Factory core size: 545 mm x 145 mm x 96 mm
• Factory volume: approx 7.6 litres
• Factory external area: approx 790 cm²
• Total weight: approx 10.5 kg
• Finish: black coated for corrosion resistance and thermal performance
• Hoses: retains original charge pipes and clamps

Compatibility

BMW 5 Series G30 Saloon and G31 Touring – diesel variants 520d, 530d and 540d, including xDrive where applicable.

What is included

• Wagner Tuning black‑coated front mount cooler
• Installation instructions

Fitting service

Professional installation available at MJ Modifications in Warwickshire. Request a fitting quote via info@mjmodifications.co.uk.

Search terms to help you find this upgrade

BMW G30 G31 diesel FMIC upgrade, 5 Series 520d 530d 540d intake cooling, turbo diesel charge cooler, front mount boost cooler, performance air‑to‑air cooler, low IAT upgrade, high‑flow turbo cooler, direct fit OE replacement cooler, tuned diesel supporting mod, reduced pressure drop cooler, remap‑ready intercooler upgrade.