Forge Motorsport PolarCooler Chargecooler Radiator Upgrade for BMW B48/B58 (F20 F21 F22 F23 F30 F31 F34 F36) — Fits M140i M240i 340i 440i 120i 125i 220i 230i 320i 330i — Direct-Fit Intercooler/Charge Cooler Rad — FMCCRAD11

Forge PolarCooler Low Temperature Heat Exchanger for BMW F Series B48 and B58 engines - Part No. FMCCRAD11

Beat heat soak and keep intake temps under control with the Forge Motorsport PolarCooler LTR. This uprated water-to-air intercooler radiator is designed for the BMW turbocharged four and six cylinder petrol engines and drops straight into the factory location using the original mounts. Ideal for spirited road use, track days and tuned vehicles where stable charge air cooling is essential.

We have installed this unit ourselves and the results are excellent. Expect cooler IATs, stronger back-to-back performance and greater confidence on hot days. Our customers consistently report smoother power delivery and reliability when driven hard.

Why choose this BMW low temp radiator upgrade

• Massive increase in fluid capacity - from 7.71 litres to 17 litres - for superior thermal control during repeated pulls and long sessions.
• Triple pass flow path that forces coolant across the entire core, extracting more heat from the charge air system.
• High efficiency louvered fin core at 18 fpi that boosts heat rejection without compromising airflow to the rest of the cooling pack.
• Proven temperature drop - inlet air reduced by up to 20°C across three consecutive dyno runs on comparable conditions.
• Hand fabricated end tanks and robust black powder coated finish for durability and an OEM style appearance.
• Direct swap using factory hoses and fixings - no trimming, no cutting, no additional brackets required.

Perfect for stock and tuned cars

Whether you are Stage 1 or Stage 2, running additional boost, or simply want consistent performance on the road, this front mounted heat exchanger stabilises the charge air cooling circuit. Lower coolant temperatures in the intercooler water loop mean lower intake temperatures, more repeatable power and safer running for B48 and B58 engines.

Dimensions

OEM: 57.6 x 49.5 x 4.7

Forge PolarCooler: 53 x 47.1 x 6.8

Vehicle applications

• BMW 1 Series F20 F21 LCI from 09/2015 onward - 120i, 125i, M140i
• BMW 2 Series F22 F23 LCI from 09/2016 onward - 220i, 230i, M240i
• BMW 3 Series F30 F31 F34 F35 LCI from 09/2014 onward - 320i, 330i, 340i
• BMW 4 Series F32 F33 F36 LCI from 05/2016 onward - 420i, 430i, 440i

Search-friendly phrases customers use

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Fitting service

This is a plug and play installation in the stock position. For professional installation, supply and fit or advice, choose MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Compatibility check before dispatch

To ensure you receive the correct cooler, please provide your UK registration or the last 7 characters of your VIN at checkout and we will verify fitment before shipping.

Part number

FMCCRAD11

Manufacturer and warranty

Manufactured by Forge Motorsport with a limited lifetime warranty that is non transferable.