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Description
High Performance Heat Exchanger for 2019-25 BMW 330i/M340i/430i/M440i D780-0003Dinan High Performance Heat Exchanger 2019 2025 BMW 330i M340i 430i M440i The OE thermal management system for the B4x B58 G chassis BMW and Toyota GR Supra offers an improved formula from prior generations. With a setup where engine coolant is also re routed through the heat exchanger, the system effectively assists in overall engine cooling as well as charge cooling. However, like its predecessors, it has room for improvement as it can be
Dinan High Performance Heat Exchanger - 2019-2025 BMW 330i/M340i/430i/M440i
The OE thermal management system for the B4x/B58 G-chassis BMW and Toyota GR Supra offers an improved formula from prior generations. With a setup where engine coolant is also re-routed through the heat exchanger, the system effectively assists in overall engine cooling as well as charge cooling. However, like its predecessors, it has room for improvement as it can be overwhelmed when the system is taxed aggressively or as power levels are increased. Once overburdened, this results in the undesirable outcome of power being diminished. Avoidance of this unwelcome scenario can be attained though with a Dinan heat exchanger that improves the overall thermal management system so everything runs cooler and more efficiently while being budget friendly.
Features:
- Average of 8.7? C reduction in charge air temps with a maximum reduction of nearly 12? C over 30 successive WOT pulls
- General improvement to the efficiency of the thermal management system, inclusive of engine cooling
- 45mm thick Dinan core vs. 26.75mm thick stock cooler core
- 68% more cooling surface area and volume than stock
- Reduces the tendency to heat soak / go in to limp mode
- Durable bar and plate design that is less susceptible to damage from road debris
- Pressure tested, 100% TIG welded, Aluminum construction
- Direct fit replacement with no modifications required
Specs:
| Brand | Dinan |
|---|---|
| Dinan Point Value | 2 |
| Emission Code | 7 |
| Labor Time (Hours) | 3.7 |
| Product Type | Heat Exchanger |
| Warning | California Proposition 65 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2025 | BMW | 430i | Base |
| 2019-2024 | BMW | 330i | Base |
| 2019-2024 | BMW | Z4 | sDrive30i |
| 2019-2024 | BMW | Z4 | M40i |
| 2020-2021 | BMW | Z4 | sDrive M40i |
| 2023-2024 | BMW | M240i | Base |
| 2022-2024 | BMW | M240i xDrive | Base |
| 2022-2025 | BMW | 230i | Base |
| 2023-2025 | BMW | 230i xDrive | Base |
| 2019-2024 | BMW | 330i xDrive | Base |
| 2019 | BMW | 330i xDrive | Base |
| 2021-2025 | BMW | 430i xDrive | Base |
| 2022-2025 | BMW | 430i xDrive | Base |
| 2022-2024 | BMW | 430i Gran Coupe | Base |
| 2023-2024 | BMW | 430i xDrive Gran Coupe | Base |
| 2020-2024 | BMW | M340i | Base |
| 2020-2024 | BMW | M340i xDrive | Base |
| 2021-2025 | BMW | M440i xDrive | Base |
| 2021-2024 | BMW | M440i | Base |
| 2022-2025 | BMW | M440i | Base |
| 2022-2024 | BMW | M440i xDrive Gran Coupe | Base |
| 2022-2024 | BMW | M440i Gran Coupe | Base |
| 2020-2025 | Toyota | GR Supra | Base |
| 2020-2025 | Toyota | GR Supra | Premium |
| 2021-2024 | Toyota | GR Supra | Base |
| 2021-2022 | Toyota | GR Supra | A91 Edition |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 3
Nice product
It works well, but takes a while to heat up.
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Perfect Gift for Coffee-Loving (or Hot Cocoa) People
If you're looking for a solid gift for your significant other and don't quite know the difference between a milk frother and a milk steamer yet (like me three days before), this is the one to get because it does both!
My girlfriend is a wonderful barista and had been wanting a milk steamer for a while. A lot of options out there are incredibly expensive and difficult to wash, but this one was a fantastic price for such a great appliance.
Here are some of the specs:
For power, blending power is amazing, but just note that it froths a lot, like a lot. You'll get about a 3:1 froth-to-milk ratio at the max setting, and a 1:1 ratio at even at the lowest setting.
For temperature, steamer gets the milk perfectly warm and hot for whatever you feel like, whether lattes or hot chocolate.
For cleaning, some reviewers also mentioned having trouble cleaning the small hole at the bottom of the frothing whisk. But other than that, the frothing whisk is actually magnetic. You can just pop it off and attach it to the side of the cup while washing, which is super convenient.
Overall, if you are missing a milk steamer in your kitchen setup to heat up milk properly or need a gift for a coffee enthusiastic friend or significant other, this is definitely worth the money!
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Works great and easy to use
Color: Black
I feel like I’ve finally found a decent milk frother! I’ve gone through (or returned) several models over the last few years, but this one has a different design and hasn’t frustrated me like the others.
It has plenty of power to froth milk, foam quality is good, heating is good. I checked the temperature a few times, since a few reviews were critical of that, and it was within a degree or two of what I’d set, so I’d say it’s good!
I appreciate that it remembers the last settings so most days are a 1-click operation. But even changing the settings is easy - easier than others I’ve used while having more options.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Best addition to our coffee bar
Color: Black
BEST milk frother we've owned. It is on the larger size but worth it. I love that there are multiple temperature settings. It is easy to use and figure out. The frother spins inside of the stainless steel cup and is magnetically attached inside so it does not come off easily. We use agave for sweetener and being able to throw the cup into the dishwasher to clean off residue has been the biggest plus of this frother. Highly recommend. Worth the cost.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Cute, functional, works great!
I LOVE this thing!! It froths the half and half for my coffee and cream for my tea so beautifully. It's fast, and easy to use and clean. Really adds to my morning routine to be able to choose a temperature and froth level to my coffee creamer. The color is so pretty and both it and the style fit right in with my kitchen decor. I've been using it for several months and haven't had any issues to far. Great item! I was afraid it would just be more clutter and gadgets I didn't need taking up counter space, but it fits right in next to my coffee maker, and I truly do use it every morning. It makes my coffee even more enjoyable, believe it or not. Love it!!
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Reviewed in the United States on April 10, 2026
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