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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
AST 2018+ BMW Z4 G29 RWD 5100 Comp Coilovers w/ Springs & Top MountsAre you using your vehicle on the track? Or perhaps youre after a combination of track performance and seeking the ideal road balance for daily driving. In that case, the 5100 CLUBRACING SUSPENSION is the perfect choice for you. This set of coilovers enables you to optimize grip by managing rebound and ride height. Springs are included and top mounts front and rear. In this set front and rear dampers utilize a coilover design. By choosing this design
Are you using your vehicle on the track? Or perhaps you’re after a combination of track performance and seeking the ideal road balance for daily driving. In that case, the 5100 CLUBRACING SUSPENSION is the perfect choice for you. This set of coilovers enables you to optimize grip by managing rebound and ride height. Springs are included and top mounts front and rear. In this set front and rear dampers utilize a coilover design. By choosing this design you prioritize adjustability and the performance of your car. Coilovers which will offer more adjustability for both damping settings and ride height, and typically provide more consistent and predictable handling characteristics. You have the flexibility to adjust springrates on these dampers. The initial setup for setting and spring rates is rooted in our extensive development and testing process. Individual preferences can easily be fine-tuned by making adjustments to the rebound knob or altering the ride height. You can adjust the rebound, means you can control the return to extension of your dampers, enabling you to attain the ideal road balance tailored to your specific requirements. With 12 distinct positions to choose from, each adjustment delivers distinct feedback and a unique driving experience. This set of suspension also includes, where applicable, camber-adjustable front Top Mounts and solid rear Top Mounts. The camber adjustment will offer you more wheel adjustment and allow this geometry to be altered to transform front -end grip. AST Suspension is a monotube design. This is a benefit for you because these dampers offer a large piston to control the adjustability of rebound damping. There is no aeration or foaming in monotube dampers, this will result in a more responsive valving. These dampers are rebuildable, which means that if any damage or issues arise, you can have them addressed at a certified AST service center.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2022 | BMW | Z4 | M40i |
| 2020 | BMW | Z4 | M40i First Edition |
| 2020-2021 | BMW | Z4 | sDrive M40i |
| 2019-2022 | BMW | Z4 | sDrive30i |
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
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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 ★★★★★
Based on 2104 reviews
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Product Reviews
★★★★★ 5
Pretty, but very practical.
Size: Full, Color: Mint Green
The color was exactly what I expected from the photo. It arrived in an unbelievably small package, but expanded quickly once I opened the bag. I waited the recommended 24 hours to be sure it was done. I am pleased that the length is a perfect fit, and I like that it comes up to the back of my neck when I'm sitting in bed. It is a bit softer than I originally imagined, but not so soft that I feel like I'm sinking through it. It's very pleasantly supportive. The fabric is like a soft ribbed corduroy with piping along the outer seam. It looks nice. Both ends have a pocket that is barely noticeable, but is the perfect size to keep your phone close by. I'm temporarily homebound and spending a lot of time sitting in bed, so I'm very glad I invested in this pillow for comfort and convenience. If you ever have trouble with pillows working their way under the edge of the headboard, and into the dusty space between the headboard and the wall, consider this problem solved.
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Reviewed in the United States on January 23, 2026
★★★★★ 5
Measure your bed and space, I did and ordered the perfect fit!
Size: Queen, Color: Navy
Love this wedge pillow. I bought it for our boat stateroom bed. It fits perfectly as beds on a boat are always odd sizes. It is very comfortable allows me to sit up in bed to read. Also keeps our bed pillows from sliding back. Good quality, color and size.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
The good & the bad
Size: Queen, Color: Dark Grey
I’ve got mixed feelings bc a for this pillow.
Pros: correct width for my queen bed, was comfortable to lean against when sitting up in bed, fabric seems nice, was well packaged (the vacuum seal bag can be reused.
Cons: I’m skeptical that the pillow will fluff out further after 2-3 days. The cover can’t be removed - button holes are too small (which means you shouldn’t see the cover stretch to the side exposing the hole like other pillows warned of, so that’s good) so I can’t easily remove the cover to wash. Fabric shows wrinkles a lot. Not as structured as I was hoping based on the listing.
I’ve got a plan for how to fix my complaints - add some seat cushion foam inside the white inner liner. I’ll have to cut the buttons off and run the string that was connecting the buttons on either side of the pillow through the foam. Then secure the string to the inner liner to keep the pinched look. Put the cover back on, then add the buttons back with a safety pin to hook them to the inner liner. I think even with these mods, the item will be worth it price wise - other items seemed to be $50-$125 so the additional $35 and effort I’ll put into addressing this will still keep it more cost effective and filled out than the more expensive models available.
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Reviewed in the United States on October 4, 2025
★★★★★ 5
Cozy, Cute, and Practical!
Size: Twin/Twin XL, Color: Light Pink
I got this pillow for my daughter to use when she heads off to college this fall, and she absolutely loves it! The light pink color is soft and calming, just what she wanted to match her dorm decor. It’s plush, supportive, and super comfortable, whether she's sitting up to read, study, or just relax.
The removable, washable cover is a big plus, and the side pockets are so convenient for stashing her phone or glasses. While the pillow works great on its own, we still plan to get a detachable headboard to complement it for added support. Overall, this is a stylish and functional addition to her dorm setup, and we’re both really happy with the quality. Highly recommend!
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Reviewed in the United States on June 19, 2025
★★★★★ 5
Thick, Supportive, and Cozy for Reading or Nursing
Size: Full, Color: Olive Green
This wedge pillow has been a great fit on my daughter’s bed. It’s super soft and cozy, and at the same time offers great support for sitting up in bed. The pillow is nice and thick, so you don’t sink into it — perfect for reading, studying, or lounging without needing multiple regular pillows.
I tried it out myself and was surprised at how well it also works as support while nursing an infant. It props you up at just the right angle and feels stable without shifting around.
The removable, washable cover is a big plus, and the olive green color is subtle yet stylish. I’m impressed enough that I’ll either be purchasing one for myself soon or adding it to my Christmas list.
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Reviewed in the United States on September 22, 2025