CTS Turbo F-series B58 BMW M140i/M240i/340i/440i Heat Exchanger Upgrade
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: BMW M140i (F20), M240i (F22), 340i (F30), 440i (F32). Confirm your exact car with us before ordering.
- Shipping at real carrier rates
- 30-day returns on unused parts
- Fitment help before you buy
The front heat exchanger that cools the F-series B58's charge cooler water is small, and a tuned engine quickly overwhelms it. CTS Turbo's upgrade uses a larger, higher-flowing core that still drops into the factory location, helping bring intake air temperatures down.
What you get
- Double-pass aluminum core, bigger and higher flowing than stock.
- CNC-machined mounts and hose connections for factory fitment, with no cutting or trimming of factory parts.
- Built-in bleed vent to clear air from the cooling system after install.
- Hand-welded and pressure tested, with smooth-bend coolant connections.
- Installation hardware included, with brackets to relocate the transmission cooler.
Good to know
- Not compatible with the A90/A91 Supra or G-series BMWs.
- CTS Turbo sales are final and returns are not accepted.
Brand: CTS Turbo · Part #: CTS-B58-HX
BMW M140i (F20), M240i (F22), 340i (F30), 440i (F32). Confirm your exact car with us before ordering.
| Model | Chassis | Years | Engine | Fits |
|---|---|---|---|---|
| M140i | F20/F21 | 2016–2019 | Gen 1 B58 | |
| M240i | F22/F23 | 2016–2021 | Gen 1 B58 | |
| 340i | F30/F31/F34 | 2016–2019 | Gen 1 B58 | |
| 440i | F32/F33/F36 | 2017–2020 | Gen 1 B58 | |
| 540i | G30/G31 | 2017–2019 | Gen 1 B58 | |
| 740i | G11/G12 | 2016–2019 | Gen 1 B58 | |
| X3 M40i | G01 | 2018–2019 | Gen 1 B58 | |
| X4 M40i | G02 | 2019 | Gen 1 B58 | |
| 640i GT | G32 | 2018–2019 | Gen 1 B58 | |
| M340i | G20/G21 | 2019–2024 | Gen 2 B58 (TU) | |
| M440i | G22/G23/G26 | 2021–2024 | Gen 2 B58 (TU) | |
| M240i | G42 | 2022–2024 | Gen 2 B58 (TU) | |
| Z4 M40i | G29 | 2019+ | Gen 2 B58 (TU) | |
| GR Supra 3.0 | A90/A91 | 2020+ | Gen 2 B58 (TU) | |
| 540i | G30/G31 | 2020–2023 | Gen 2 B58 (TU) | |
| 740i | G11/G12 | 2020–2022 | Gen 2 B58 (TU) | |
| X3 M40i | G01 | 2020+ | Gen 2 B58 (TU) | |
| X4 M40i | G02 | 2020+ | Gen 2 B58 (TU) | |
| X5 xDrive40i | G05 | 2019–2023 | Gen 2 B58 (TU) | |
| X6 xDrive40i | G06 | 2020–2023 | Gen 2 B58 (TU) | |
| X7 xDrive40i | G07 | 2019–2022 | Gen 2 B58 (TU) | |
| 840i | G14/G15/G16 | 2019+ | Gen 2 B58 (TU) | |
| INEOS Grenadier | Station Wagon/Quartermaster | 2023+ | Gen 2 B58 (TU) | |
| M340i | G20/G21 | 2025+ | Gen 3 B58 (48V) | |
| M440i | G22/G23/G26 | 2025+ | Gen 3 B58 (48V) | |
| M240i | G42 | 2025+ | Gen 3 B58 (48V) |
Not sure? Email sales@b58racing.com with your VIN.
- Ships from the brand or distributor, usually in 3–7 business days.
- Shipping is charged at the carrier's rate, shown at checkout. Orders over 70 lb ship by freight for a flat $99.
- Unused parts can be returned within 30 days. Some items are marked no-refund in their description.
Full details are on our shipping and returns page.
Guides for this part
B58 Intercooler Install: Heat Exchanger Upgrade for Gen 1 F-Series, Gen 2 G-Series and the GR Supra
Every B58 uses an air-to-water intercooler. That includes the Gen 1 F-series BMWs, the Gen 2 G-series BMWs and the GR Supra. The intercooler itself sits inside the intake manifold, and a small radiator up front, called t
B58 Charge Pipe Install: Gen 1 F-Chassis vs Gen 2 G-Chassis and the GR Supra
The B58 charge pipe runs from the turbo outlet to the throttle body. Swapping it is a top-side job on most cars: pull the intake, unclip the pipe from the turbo, unbolt it from the throttle body, move the sensors and O-r
Best B58 Mods, In the Order to Do Them
Start with a tune. It is the biggest gain per dollar on any B58. Then add a downpipe and a Stage 2 map, then an upgraded high-pressure fuel pump (HPFP) and an ethanol blend. Only after that should you think about a bigge
Pairs well with
FTP Motorsport Gen 1 B58 Charge Pipe V2.1 - Red
Wagner Tuning BMW B58 Cast Aluminum Intake Manifold
do88 Charge pipe, BMW F-Serie B58
