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- USA
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
CSF 99-06 BMW 323i / 99-05 BMW 325i / 99-06 BMW 328i / 99-05 BMW 330i / 03-05 BMW Z4 RadiatorCSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your E46 3 Series Z4 running at its best, a CSF High Performance All Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features
CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your E46 3-Series/Z4 running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2000 | BMW | 323Ci | Base |
| 1999-2000 | BMW | 323i | Base |
| 2001-2005 | BMW | 325Ci | Base |
| 2001-2005 | BMW | 325i | Base |
| 2001-2005 | BMW | 325xi | Base |
| 2000 | BMW | 328Ci | Base |
| 1999-2000 | BMW | 328i | Base |
| 2001-2005 | BMW | 330Ci | Base |
| 2001-2005 | BMW | 330i | Base |
| 2001-2005 | BMW | 330xi | Base |
| 2003-2005 | BMW | Z4 | 2.5i |
| 2003-2005 | BMW | Z4 | 3.0i |
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
4.7 ★★★★★
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Product Reviews
★★★★★ 4
great for certain items
i am an infrequent buyer of the assurion warranties but do use them for stuff i think might be something i'd claim on like the very low priced inflatable paddleboard i got. i can't imagine the thig lasting 2 years but the warranty makes that a no brainer. i have only once in my history had to make a claim and it was an easy process where they just automatically refunded the price of the item
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Reviewed in the United States on March 4, 2025
★★★★★ 5
Immediate response
I reached out regarding my treadmill not working due to the belt not staying on the track and sliding to the left and Asurion immediately provided me a gift certificate on Amazon for the amount I paid for that treadmill and I was able to purchase another one to replace it that was much better!
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Quick response and turnaround
So happy I purchased the Asurion protection plan. The product I purchased was damaged and my claim was covered right away without any issues.
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Reviewed in the United States on March 31, 2026
★★★★★ 5
So easy to file a claim
Thankfully I purchased insurance on a treadmill I purchased because I ended up having to file a claim and Asurion made the process so incredibly easy. I will absolutely use their services again in the future. Highly recommend.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Quick resolving of issue
Thank you very much for actual resolving of issue! Received gift card with full amount after contacted customer service.
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Reviewed in the United States on April 17, 2026