
MishimotoSKU: B58R-CAC-003
Mishimoto Performance Aluminum Heat Exchanger - A90 Supra / G20
$749.95 Available
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: Gen 2 B58 (2019+ BMW G-series) and Toyota GR Supra A90/A91
1
- Free US shipping over $250
- 30-day returns on unused parts
- Fitment help before you buy
Direct-fit larger heat exchanger with lifetime warranty
Brand: Mishimoto · Part #: MMHE-SUP-20
Gen 2 B58 (2019+ BMW G-series) and Toyota GR Supra A90/A91
| 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 | |
| M340i | G20/G21 | 2019+ | Gen 2 B58 (TU) | |
| M440i | G22/G23/G26 | 2021+ | Gen 2 B58 (TU) | |
| M240i | G42 | 2022+ | 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) |
Not sure? Email sales@b58racing.com with your VIN.
- Orders ship from Dallas, TX in 1–2 business days.
- Free US shipping on orders over $250.
- 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.
Pairs well with

CSF Radiators
G Series/Supra High Performance Heat Exchanger
Fits: GR Supra 3.0
$699.00Ships in 3–7 days

CSF
B58 F Series Heat Exchanger with Rock Gaurd (CSF Radiators)
Fits: M140i, M240i, 340i, 440i
$695.00Ships in 3–7 days

CSF Radiators
Gen 2 - B58 Intake Manifold by CSF Radiators
Fits: GR Supra 3.0
From$4,299.00Ships in 3–7 days

VRSF
VRSF B58 Chargepipe Kit (Gen 1)
Fits: M140i, M240i, 340i, 440i
$219.99Ships in 3–7 days
