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Description
CSF 00-06 BMW M3 (E46) Triple Pass RadiatorCSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your E46 M3 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. The Triple Pass Flow Structure
CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your E46 M3 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. The Triple-Pass Flow Structure allows the coolant to flow across the core of the radiator three times before exiting for lowest outlet temperatures possible. 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 |
|---|---|---|---|
| 2001-2006 | BMW | M3 | Base |
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4.7 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
my dog loves
Size: Medium 8", Style: Rubber Dog Toy
my dog is obsessed and it’s one of the only toys she can’t immediately tear apart, she’s on her second one
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Great little toy for playful small dogs
These toys are a soft latex kind of material. I would not recommend these for larger dogs who can wreck a tennis ball, or who are rough with toys.
The material of these toys lasts quite a while, but does break down in direct sunlight in addition to dog saliva and being left outdoors in inclement weather. My dogs have played with these toys for a week's time with no adverse reactions from the materials.
For a better explanation of the toy, see my video. I show a "durable" toy that is at least 12 years old. I show a similar toy to these here, but shaped like a chicken. It is showing the effects of time, and dog love; it was a favorite of my previous pet, and bequeathed to the dogs I now have. This chicken toy will "disappear" soon because its material is breaking down.
I highly recommend these toys for dogs who like small toys, soft toys, and toys that squeak. I do not recommend these for dogs who are "chewers" of toys, large dogs who may swallow this toy(it fits in an average woman's palm), for owners who hate squeeking toys, or for a pack of dogs who will bite and pull at this toy. Although it does have stretch, it can be sliced with sharp teeth, and come apart.
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Reviewed in the United States on April 12, 2021
★★★★★ 5
Theyynsvk!
Finally they’re back!! Bought some fake wanna be’s but no bueno! These are the real deal.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
FOUND IT!!!
My dog had found one of these on the road and absolutely love this toy it had hole in it from other dog's teeth hardly bounced but he loved it. I looked in every store I went to trying to find this toy could never find it finally was looking for dog toys found this package, was hoping it was the same thing. Oh it was! When I say my dog loves his toy that is an understatement he has played and will play with this for hours no problem leaving him at home alone he is entertained. If he's not throwing this around and chasing it he's laying down and sleeping because he's wore out. It's squeaky it's bouncy and hopefully durable it is soft fits in his mouth and he just has literally a ball with it. He is laying here panting so much right now from playing with this ball this morning to your dog a favor and yourself get these balls get this toy. On the other side of that you might have to take it away from them when you go to bed at night because ours wants to play with it at the weirdest times and it is squeaky thanks so much hope this helps
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Reviewed in the United States on August 4, 2024
★★★★★ 5
Small, you think the dog will choke on them. But they haven’t.
Love these and so does my dog. Very squeaky but not anonying.
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Reviewed in the United States on October 28, 2025