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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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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)
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
4.4 ★★★★★
Based on 265 reviews
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Product Reviews
★★★★★ 5
quick set up
Color: Rechargeable Set with Base
So far, 2 weeks, it was easy to fill, charged quickly, looks lovely, easy adjustment on the course to fine dial, great value, so far. and mush less clutter-y than the four different items I had to use to get both fine and course grands. Light weight and it appears to be built to last.
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Reviewed in the United States on October 25, 2025
★★★★★ 5
Game changer!
Color: Stainless Steel, Color: Stainless Steel
This electric salt and pepper grinder set is an absolute game-changer. With a generous capacity, you’ll refill far less often, and the rechargeable base keeps everything powered—no more hunting for batteries. The adjustable coarseness delivers perfect results every time, whether you’re finishing a dish with a fine seasoning or adding a bold, coarse grind. The built-in LED light gives you precise control, and the grinders themselves feel solid, high-quality, and impressively sleek. They look stunning on any counter or dinner table. If you want to elevate your kitchen experience—or give a gift that truly impresses—this set is a clear winner.
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Excellent rechargeable salt & pepper grinders
Color: Stainless Steel
Love these rechargeable, refillable, salt & pepper grinders. Grinders work great & easy to set the grind. Also, easy to use, easy to clean and recharge. Much better than the battery power grinders.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Rechargeable electric salt and pepper grinder
Color: Stainless Steel
Love my salt and pepper grinder. So far I’ve had no problems or issues. Easy to use, lightweight, usb rechargeable.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Beautiful, functional, easy on hands, push button
Color: Stainless Steel
Update: these are great! I only charged them the day they arrived 3 months ago from Amazon, and have not had to charge them yet. They work efficiently every time my whole family loves using them,,especially the grandkids.
I specifically wanted "push button" , and easy-rechargeable. I have arthritis so it's pretty amazing and wonderful.
These rechargeable grinders are lightweight when they arrive, and easy to fill from the top.
For each grinder, you will need to turn the top opening slightly to the left to release it, and then pull it open.
My 9yo grandson had to show me.
The salt and pepper grindersmake a relatively, low grinding sound, and have a small, shining,light at the bottom where the salt and pepper come out onto the food. The performance is good, the salt and pepper output seems not too much and not too little.
Charging these grinders was extremely easy, and the little charging unit stand is provided with a C charger which you can connect into the back of the charging unit, and a USB connection on the other end for the wall .
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Reviewed in the United States on October 19, 2025