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Description
Fits 2016-2021 Bmw 230I/M240I High Performance Heat Exchanger-D780-0002The factory B4x B58 heat exchanger is not built to cater to the rigorous demands often associated with a modified build. The thin core is easily overwhelmed with IAT's rising dramatically once pushed beyond a few successive WOT pulls or even a few minutes at the track. This elevation in temperature gives way to the factory ECU fail safes pulling timing and reducing overall power in order to keep the system from overheating to the point of permanent
The factory B4x/B58 heat exchanger is not built to cater to the rigorous demands often associated with a modified build. The thin core is easily overwhelmed with IAT's rising dramatically once pushed beyond a few successive WOT pulls or even a few minutes at the track. This elevation in temperature gives way to the factory ECU fail safes pulling timing and reducing overall power in order to keep the system from overheating to the point of permanent damage. On an application where enjoyment is directly attributed to pushing the platform to its limits this constraint to cooling presents a challenge for the automotive enthusiast. The Dinan B4x/B58 heat exchanger for the F2x/F3x chassis assists in mitigating these issues with a more robust core (48mm thick Dinan core vs. 27mm thick OEM core) that wields 78% more heat transfer surface area for improved cooling capacity. The significant increase in core thickness requires unique "L" shaped end tanks to be incorporated as well, which also contributes to the overall thermal mass (ability to absorb, store, and release heat) improvement beyond the OEM setup. With up to a 15° IAT delta recorded over stock the Dinan heat exchanger is ready, and able, to assist in extending your vehicles ability to deliver maximum performance time and time again for your driving enjoyment!
Features:
- Average of 8° reduction in IAT's with a maximum reduction of 15° over 15 successive WOT pulls
- Reduces the tendency to heat soak / go in to limp mode
- 48mm thick Dinan cooler vs. 27mm thick stock cooler
- 78% more cooling surface area and volume than stock
- 100% TIG welded and pressure tested
- Installation hardware included (inclusive of xDrive specific transmission oil cooler brackets)
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4.1 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Lynda Barry is Awesome
Format: Kindle
This book is fantastic if you want to make comics by yourself or with a classroom. Barry packs in loads of experience teaching and making art. Her style of drawing is simple and straight forward. She uses a great method that empowers the reader to make art and share it.
I want to be half the teacher Barry is.
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Reviewed in the United States on March 1, 2024
★★★★★ 5
Creative outlets!
Format: Paperback
I LOVE following the activities in this book. Perfect for anyone who wants to draw but thinks they can’t, great exercises and fun for those creative blocks when you want to be creative but just can’t get it flowing.
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Reviewed in the United States on May 16, 2025
★★★★★ 5
This! Book! Rocks!
Format: Paperback
If you enjoy laughing, having fun with your friends and family, and doing cool stuff, you will love Lynda Barry's Making Comics. This is a thoughtful and complete recap of her live class at the University of Wisconsin, includes much of her substantial thought and philosophy on the role of image making in human evolution, and is full of her (and her students') amazing artwork; but it's also full of excessively FUN drawing exercises that are wonderful for sucky drawers as well as professional artists. We dig this book so bad!!! Best gift I've given myself in a million years!!!!!!!!!!!! Maybe I had a little bit forgotten how much I! Love! Lynda! Barry!!!!! So if you wish you could go move to Wisconsin and take her class like I do, instead just save the planet the extra greenhouse gases and get this book instead and do the class at your kitchen table with your friends!!! Maybe also order it from your local groovy independent bookstore so you can stick it to the man!!!
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Reviewed in the United States on January 2, 2020
★★★★★ 5
Highly comical
Format: Paperback
This book is simply amazing. I have stopped, wondering about comics and begun mastering them. The author is always amazing. I’ve read most of her work and I can hardly highly recommend them. especially her novel Cruddy it was the best!
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Reviewed in the United States on March 21, 2025
★★★★★ 4
Fun fun fun
Format: Paperback
A fun book with lots of inspiration
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Reviewed in the United States on June 17, 2021