


CSF Dual Pass Transmission Oil Cooler - BMW E9x M3
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
CSF Dual Pass Transmission Oil Cooler - BMW E9x M3Made with CSFs AC condenser technology using a 1 row super high pressure 22mm wide 11 channel microtube Dual pass high performance core with 11 cooling tubes vs. OEM 10 tube design. High density multi louvered fin design with 20% more surface area contact compared to OEM unit. Drop in fit requiring no modifications to install. Accepts all attaching OEM components including oil line connections, mounting brackets, and shroud ducting Lab tested at ~30%
Quick Dispatch:
Your CSF Dual Pass Transmission Oil Cooler - BMW E9x M3 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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]
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4.1 ★★★★★
Based on 2244 reviews
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Product Reviews
★★★★★ 5
Easy install
Color: Single Slat Gloss Black, Size: 2023+G20
Fits well. Made of plastic but very easy install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
★★★★★ 1
I should have read all the other reviews ...
Color: Single Slat Gloss Black, Size: 2010-2013 E92, Color: Single Slat Gloss Black, Size: 2010-2013 E92
I read all the bad reviews, but I gave it a shot anyways
Tabs wont clip in place and fitment is slightly off.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
Worth it
Color: Single Slat Gloss Black, Size: 2006-2009 E92
For perfect and looks great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026
★★★★★ 5
Very nice quality
Color: Single Slat Gloss Black, Size: 2019-2022 G20
I have a 2022 330i bmw and it fit perfectly! Looks just like photos online and delivered quick!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2025
★★★★★ 4
Good Item
Color: Single Slat Gloss Black, Size: 2002-2005 E46
Good cost to product ratio, but fitment is a little loose
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026