Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
CSF High-Performance Transmission Oil Cooler - BMW/Toyota / A9X / G2X / GR Supra / Z4 M40i / M340i/xDriveSpecs 5. 4mm Tall Multi Louvered Fin vs. OEM 7mm Made with CSFs AC Condenser Technology Using a 1 Row Super High Pressure 16mm 9 Channel Microtube for Optimal Oil Flow and Maximum Surface Area Contact 129mm Overall Height vs. OEM 125mm Allows for Maximum Performance Without Increasing Overall Surface Area or Blocking Airflow to Rest of Cooling System Utilizes OEM Top Bottom Rubber Seals for Optimal Airflow OEM Style Quick Connect Inlet Outlet
Specs
- 5.4mm Tall Multi-Louvered Fin vs. OEM 7mm
- Made with CSFs AC Condenser Technology Using a 1-Row Super-High Pressure 16mm 9-Channel Microtube for Optimal Oil Flow and Maximum Surface Area Contact
- 129mm Overall Height vs. OEM 125mm Allows for Maximum Performance Without Increasing Overall Surface Area or Blocking Airflow to Rest of Cooling System
- Utilizes OEM Top/Bottom Rubber Seals for Optimal Airflow
- OEM Style Quick Connect Inlet/Outlet Connections
- Drop-in Fit Requires No Modifications to Install
- Can be Installed With CSFs High-Performance Heat Exchanger (CSF #8154) or with the OEM Cooling System
- 2-Year Limited Warranty
- Ideal for Road Racing, Drag Racing, and Vehicles With Increased Performance and/or Transmission Tuning
Fits
- 2020+ Toyota GR Supra (A90/A91)
- 2018+ BMW G29 Z4 M40i
- 2018+ BMW G20 3-Series (330e, M340i, M340iX)
- 2018+ BMW G21 M340iX Touring
Dual-core Advantage
- 240% Increase in Core Volume
- 130% Increase in Fluid Capacity Compared to OEM (CSF 550ml vs. OEM ~240ml)
- Two 16mm Stacked Cores = 32mm Core Width (44mm Overall Width) vs. OEM 15mm Core Width
- Rear Cooler: 15 Rows vs. OEM 12 Rows
- Front Cooler: Additional 12 Rows
CSFs industry-exclusive dual-core design allows for maximum performance and the largest core volume oil capacity without effecting airflow into the rest of the cooling system. No more transmission temperature overheating or expansion tank overflow during racing conditions.
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
4.9 ★★★★★
Based on 2043 reviews
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Product Reviews
★★★★★ 4
Super Soft & High Quality – Great Toothbrushes!
Color: Multi Color
Love these toothbrushes! The bristles are extra soft and comfortable, making them gentle on gums but still effective for cleaning. The overall quality is excellent, and they’re a solid pick for both adults and kids. Highly recommend for everyday brushing!
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Reviewed in the United States on September 22, 2025
★★★★★ 5
Lovely dense and soft.
Color: Multi Color
Perfect toothbrush.
I’ve always loved a super stiff toothbrush, it just felt right, like scrubbing the grime off. BUT, I ended up scrubbing my gums into recession. So I’ve had to buy soft toothbrushes.
For years I’ve hated them. Waterpik, floss then brush and the brushing felt always felt like I wasn’t doing anything. I disliked everything about the bristles.
These were bought on a whim, they’re pretty and have four which is how many I needed to replace everyone’s toothbrushes.
I LOVE these. They’re definitely soft, in a way I haven’t felt before and can’t really articulate, but they’re also dense. There are a lot of bristles. The bristles feel like I’m getting my teeth very clean, like they’re getting into all the little areas they need to.
The only issue I have is they squeak a little and that can be annoying.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 12, 2025
★★★★★ 5
My New Go-To for Gentle Everyday Care!
Color: White
I’ve been loving my Boka Classic Manual Toothbrush, it’s truly transformed my brushing routine! 🪥 The extra-soft, activated-charcoal-infused bristles feel so gentle yet effective, especially along the gumline. They clean thoroughly without scratching or irritating sensitive gums, which has made a noticeable difference in comfort and overall oral health.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Get Yourself A Bright White Smile
Can't belive how great this works. You can actually see the staining it removes when you expel to rinse. A bit messy to use all be it being a powder. The taste isn't bad. I believe this works better than the whitening stripe, which to me are difficult to use. Gentle on your gums and teeth. I do not recommend and do not believe the manufacture does either to use on a daily basis. A bit pricey but so are the whitening strips. For a bright white smile I recommend this product.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Easy to Use and No Bad Taste
I really like this whitening powder, it’s easy to use and fits nicely into my routine. It works well as an alternative to regular toothpaste, and the process feels simple and quick.
One of the best things is that there’s no bad taste. It has a mild, clean flavor that makes it comfortable to use daily, even if you’re sensitive to strong or overpowering mint products.
After using it consistently, it seems to be working my teeth look a bit brighter, and it feels gentle enough for sensitive teeth without causing discomfort.
Minor note: Since it’s a powder, it can feel a little different at first compared to traditional toothpaste, but it’s easy to get used to.
Overall, this is a convenient and gentle whitening option that’s easy to stick with. A great choice if you want something effective without harsh taste or sensitivity.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
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