Pay in installments of $52.00 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
CTS Turbo Upgraded Heat Exchanger - BMW / S58 / G8X / M2 / M3 / M4CTS Turbo is proud to release our charge air cooler upgrade for the 2021+ BMW G8X M2 M3 M4 (S58 engine) vehicles. We all know that cooler denser charge air is a huge contributor to cleaner ignition, less timing pull and thus, more power. Now, you can improve the charge air cooling efficiency of your BMW G8X M2 M3 M4 equipped (S58 engine) with our High Performance Heat Exchanger, engineered to deliver optimal cooling efficiency and enhanced performance
CTS Turbo is proud to release our charge air cooler upgrade for the 2021+ BMW G8X M2/M3/M4 (S58 engine) vehicles. We all know that cooler denser charge air is a huge contributor to cleaner ignition, less timing pull and thus, more power.
Now, you can improve the charge air cooling efficiency of your BMW G8X M2/M3/M4 equipped (S58 engine) with our High-Performance Heat Exchanger, engineered to deliver optimal cooling efficiency and enhanced performance by keeping your Intake Air Temperatures (IAT) as low as possible. Designed to meet and exceed the demands of high-performance driving, this Heat Exchanger ensures your engine maintains optimal temperatures even under the most extreme conditions. This part is also known as the Low-Temperature Coolant Radiator, for charge air.
Key Features:
- Direct Fitment: Specifically designed for BMW G8X M2, M3 and M4 models, ensuring seamless installation without the need for modifications.
- Superior Cooling Efficiency: Dual-pass high efficiency core greatly reduces the charge air temperatures, improving overall engine performance and reliability.
- High-Quality Construction: Crafted from high-grade materials for durability and longevity, featuring a robust aluminum core and advanced cooling fins.
- Optimal Performance: Ideal for both street and track use, providing consistent cooling to maintain peak engine performance.
- Enhanced Design: Incorporates an optimized fin pitch and high-density core for maximum heat dissipation.
- Lightweight: Despite its robust construction, the heat exchanger is lightweight, contributing to improved vehicle handling and fuel efficiency.
- Plug-and-Play Installation: Comes with all necessary hardware for a straightforward installation process.
Benefits:
- Improved Engine Longevity: By maintaining lower intake temperatures, the heat exchanger helps to prevent heat soak.
- Increased Horsepower and Torque: Cooler air intake temperatures result in more efficient combustion, translating to noticeable gains in horsepower and torque, especially on the S58 platform once you really turn up the boost.
- Consistent Performance: Ensures your BMW G8X M2/M3/M4 performs at its best, whether you’re on the track or navigating city streets.
- Reliability: Proven to withstand high-performance environments, giving you peace of mind under extreme driving conditions.
- Protection: Upper and lower rock guards for protection from road debris.
Specifications:
- Construction: 100% TIG welded aluminum, pressure tested to 50psi
- Core: 2-row, 42mm performance core
- Compatibility: BMW G87 M2, G80 M3, G82 M4 models with S58 engines
- Finish: Heat-dissipating black finish
- Replaces OE Number: 17-11-8-095-283, 17118095283
Why Choose Our Heat Exchanger?
Our High-Performance G8X M2/M3/M4 Heat Exchanger is engineered to provide the ultimate cooling solution for your high-performance BMW. With its superior construction and design, it ensures your engine runs cooler and more efficiently, allowing you to push your vehicle to its limits without compromise.
Fitment (RWD, xDrive, 6-sp manual and ZF8 automatic transmissions**):
- 2021+ BMW G80 M3 (incl. Competition)
- 2021+ BMW G82/G83 M4 (incl. Competition)
- 2022+ BMW G81 M3 (incl. Competition)
- 2022+ BMW G87 M2 (incl. Competition)
**Vehicles with automatic transmissions will not use the lower rock guard. A small spacer is included to install the transmission cooler on the left side of the vehicle. Use factory screw to secure the transmission cooler.
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
4.8 ★★★★★
Based on 8 reviews
Sort
Product Reviews
★★★★★ 3
Decent for the price. Instructions suck but most people should be able to figure it out. More below.
Color: Black, Size: 6 Panel, Color: Black, Size: 6 Panel
SUMMARY:
3 stars from me because it's firmly average. It's fine for the price. Assembly and materials are alright but I can see some caveats depending on your circumstances. Assembly instructions do a subpar job of pointing out some details.
ASSEMBLY INSTRUCTIONS:
Maybe it's because I'm autistic and/or building model kits and assembling stuff is my jam, but I honestly thought people were exaggerating when they were complaining about the instructions and I'd be able to flex my ~superior assembly skills.~ I was wrong! These instructions genuinely suck, and whoever is responsible for making them should be ashamed.
The instructions do a poor job of calling out some details regarding orientation of parts, and some of the images do not actually match the physical parts.
For example, it does not really outline the assembly of the end panels clearly, and I can see someone accidentally using the wrong poles. I've drawn over a photo to show what you should do to try and make it clearer. Additionally, the manual shows a flathead screw for bolting the feet into position, but the actual screw is not a flathead. It also does not point out the counterbore, so if you aren't paying attention you may put the foot pads onto the wrong side of the foot. It's also missing the fact that you need to use another one of the plastic pieces when you finish assembling a panel.
ACTUAL ASSEMBLY & MATERIALS:
To their credit, all of my bags were clearly labeled. The assembly process wasn't difficult. It's mostly just tedious and requires a fair amount of space. I was able to assemble it by myself without any real difficulty. However, the way it's assembled means two things.
One, the fabric parts aren't removable without disassembly. So if you want to use this in an environment where they would require cleaning, I would seriously recommend looking for another option. Or, you could buy this just to use the frame pieces and then somehow buy or make your own fabric pieces designed to be removable with velcro or something.
Two, because of the materials I really don't have a lot of faith in this thing surviving disassembly and reassembly. Like a lot of sorta-cheap-but-convenient furniture, it uses those spring-button connections and plastic inserts with self-tapping screws. Those things are not really meant to be disassembled and rethreaded. It also relies a lot on the tension of the poles and the fabric to keep everything rigid and squared, which I think puts a lot of pressure on the aforementioned buttons, plastic inserts, and the hollow metal rods. So I feel like that will also cause issues with disassembly and reassembly.
Basically once this thing is assembled, it's not really meant to be disassembled. The best you can do is spot-clean the fabric if you need to.
Speaking of the fabric, I didn't see any labels on them or anything in the manual that says what they are, but they feel like some kind of polyester. They generate static electricity pretty easily, and pet hair and debris sticks easily. So that's another downside of them not being easily removable.
For the most part it does seem pretty stable. The poles seem to be pretty uniform in length so they're all making contact with my floor. Obviously this isn't structural so it shouldn't be supporting anything, but the two main feet seem to be doing fine with keeping this thing upright.
CLOSING THOUGHTS:
Really, it's fine for what it is, but it could be better in a lot of little ways and the substandard quality of the instructions just seems unprofessional to me, which is why I'm being so harsh with my rating. Depending on your needs and environment you may want to consider a different option. Preferably one that is made to be disassembled with better materials, and/or one with fabric pieces made to be removed easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2023
★★★★★ 1
Not as it seems
Color: Black, Size: 6 Panel
these are awful... Each individual panel is fine, but when you put it together it can barely stand up, and the clips that hold it together keep popping off. Steer clear of this item.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
As described
Color: White, Size: 6 Panel
Works great in my clinic
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 5
Versatile Room Divider With Easy Assembly and Strong Coverage
Size: 3 Panel 12FT W
I picked up this Siebwin 3-panel folding room divider mainly for privacy and room separation, and overall it works very well.
Assembly is very straightforward, and the divider can be set up, taken apart, and stored without much effort. The fabric quality feels good, and the frame construction is stronger and more stable than expected. The support tubes especially feel well built and help keep the divider standing securely.
One feature I really liked is the flexibility of the design. The panels can be used together as a complete divider or separated depending on the setup and available space. That makes it much more versatile for different room layouts or temporary privacy needs.
The coverage is also very good, and the size matches the manufacturer’s description accurately. The fabric blocks light and background visibility well enough to provide solid privacy without feeling overly heavy. The wider feet also help improve stability compared to thinner folding dividers.
Another positive detail is that everything arrived complete with no missing parts or damaged pieces, which made assembly much easier and faster.
Compared to cheaper privacy screens, this one feels more durable and easier to customize depending on the situation. In terms of value for the money, it feels like a very practical and worthwhile purchase considering the size, flexibility, and build quality.
Overall, a versatile and well-built room divider with easy assembly, strong privacy coverage, stable construction, complete included parts, flexible panel configuration, and excellent everyday functionality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Stable, flexible in deployment configuration, creates true privacy and looks great.
Size: 3 Panel 12FT W
This is the second room divider panel I have installed, and there are several features about this one that I like much better than my older one.
The fact that there are no gaps and that the material is thicker means you get more privacy or more hiding power, if you wish. My older divider has vertical spaces between each of the panels and the panels are half as wide as the Siebwin panels, so there are many vertical spaces. The Siebwin divider really creates privacy.
Another feature that I really appreciate is that the legs are wider and stand off from the floor. On my older one the legs are flat and they're rather awkward to adjust because they create more drag on the floor. The feet on the older one also loosen if you turn them counter clockwise, so adjustments of configuration that require the feet to be moved are more complex.
The older divider also must be deployed in a zig-zag fashion because he feet are not as wide, but this new one can be deployed and stable in a straight, an "N" shape or an arc. They are both the same length, but because the older one must be use in a zig-zag deployment it doesn't reach to the length of the new one.
The Siebwin divider definitely costs more at $103.48, but it sports several features and advantages over the other brand, so it does a better job and is worth the extra cost.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
recommand products
Children - Book - Day in the Life of Mabel - Plush Set
29.00
Inspirational - Home Decor - Tea Towel - His Love Endures Forever
24.00
Caroline'S Treasures Bb1414Mat Borzoi Welcome Indoor Or Outdoor Mat, 18 X 27, Multicolor
36.59
INFANT EYE PROTECTOR
14.00
Belknap KS4101RX Two-Handle Wall Mount Pot Filler, Polished Chrome
216.11