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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24
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Description
MSS Adjustable Ride System - BMW XM SUV Urban (2023+)A versatile performance spring kit developed for dual purpose duty. This kit is ideal for vehicles used daily, spirited drives, or on race tracks to serve all driver skills up to an advance level. The triple rated rear kit coupled with the single rated front spring kit offers the following proven additional benefits over the factory (OEM) setup: Reduced rear squatting under acceleration especially beneficial at corner exit; Reduced dive and skate on
A versatile performance spring kit developed for dual purpose duty. This kit is ideal for vehicles used daily, spirited drives, or on race tracks to serve all driver skills up to an advance level.
The triple rated rear kit coupled with the single rated front spring kit offers the following proven additional benefits over the factory (OEM) setup:
- Reduced rear squatting under acceleration - especially beneficial at corner exit;
- Reduced dive and skate on hard braking.
- Retains the in-dash ‘One-touch’ operation to change suspension from soft to firm mode settings.
- Improved ride comfort over rough tarmac and road bumps.
- Balanced and composed handling on roads or race track in the wet or dry, comparative to a premium passive Coilover kit.
- Get to use advanced suspension setup features found in premium passive Coilover kits such as rake or corner balanced / cross-weight.
- Modular design with easy upgrade path from MSS Urban > MSS Sports > MSS Track requiring just a change of a single spring on each rear corner ONLY.
- Upgrade from one kit to another - thus MSS Urban to MSS Sports or to MSS Track - in less than 30-mins (excludes re-alignment).
Front axle adjustable ride height range is from factory ride height (0mm) up to -30mm (+/- 3mm tolerance). Rear axle adjustable ride height range is from factory ride height (0mm) up to -30mm (+/- 3mm tolerance).
IMPORTANT INFORMATION ON RIDE HEIGHT LOWERING:
- The ride height lowering achieved may be affected by factors such as optional extras fitted to the vehicle in different regions, weight added or reduced;
- Fitting aftermarket parts such as camber plates; drop-links, PU bushes, wheel / disc spacers, wheels or oversized tyres with MSS products may affect the ride height figures quoted;
- Tolerance figures quoted assumes no other modifications has been made to the vehicle and the only change is the fitting of MSS products;
- Use of non-manufacturer recommended alignment specifications or tyre pressure recommendations may affect the ride height / tolerance figures quoted;
- Lifetime Warranty
- Adjustable springs that can be used to return car to OE ride height without removing
- Designed to work in unison with the factory shocks
- Springs are made by Eibach
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
4.0 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
The beautiful shine!!!!
Wow so amazing!!!!! I have a 35 ft trailer you will need 2 bottles for two coats. Well worth the price.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Wish I Had Used This Sooner – Stop Debating and Just Buy It!
Size: Powder Poli Ox - Pack of 6
Wish I Had Used This Sooner – Stop Debating and Just Buy It!
After a lot of debate, extensive research, and way too many hours spent using other products trying to restore and protect my RV's fiberglass that never fully delivered the results I was after, I finally tried the Poli Glow Deluxe Kit—and I am extremely happy I did. My only regret is not using it sooner instead of letting other people's opinions talk me out of it.
The 6-in-1 complete kit is the right way to tackle fiberglass restoration from start to finish—eliminating oxidation, restoring the shine, and then protecting it long term all in one comprehensive system. The difference in how my RV looks after going through the full Poli Glow process is genuinely impressive and far beyond what any single product or traditional buffing method I tried before could deliver. The oxidation came off cleanly, the restored shine is deep and glossy, and the long-lasting protection gives real peace of mind knowing the fiberglass is shielded from UV damage and the elements going forward—especially important in the brutal Las Vegas sun.
For anyone who has been going back and forth on whether to invest in the full Poli Glow Deluxe Kit—stop debating, stop listening to everyone else's opinion, and just do it. The complete system delivers complete results, and I won't be using anything else on my RV going forward. Highest possible recommendation.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Great stuff.
Size: Powder Poli Ox - Pack of 6, Size: Powder Poli Ox - Pack of 6
My RV had moderate oxidation. I tried several polishes and waxes. Nothing worked well to make it shine out lasted long. I applied poly glow a week ago. It is easy to apply and made my RV shine like new. So far I love Poly glow and if it lasts anywhere a long as they say, I will continue to use it.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
It Works!!!!!
Size: Powder Poli Ox - Pack of 6
We have only completed the first two steps it Poly Glo set we purchased and has it ever made a difference in the look of our hauler/trailer! The dull oxidize black color is somewhat shiny. Cant wait to put the final two steps on it! A little elbow grease and work did wonders! We will share a photo once the procedure is complete!
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Reviewed in the United States on May 19, 2026
★★★★★ 4
Could be good
Size: Powder Poli Ox - Pack of 6
I cleaned my RV very thorough from top to bottom before even starting the process with the Poli Glow system. Here's what I learned despite videos and lots of reading reviews.
1. Must be very clean and clear of anything you dont want to stick and show on your final outcome.
2. It takes more coats than you think it would (after 3 coats) it was still really streaky and I was starting to regret using Poli Glow. I ended around 7-8 coats and my rig had no major oxidation at all.
3. As one reviewer said, use a clean microfiber cloth v the applicator that comes with it, I found much better results with no lines.
4. Dont go to heavy on the coating, the instructions say this, but I went super light and it can be very easy to get lines with heavier application.
5. Dont look at your work after 3 coats, you will feel deflated, just keep going for at least 6 coats and then look at your work.
6. Only do small areas and look out for drips and lines, you need to get them out right away.
7. I did not use the Poli Ox, I was able to get any oxidation out with just the Poli Prep
8. Going up and down a ladder for hours sucks!
9. I hope it will come off in the next couple of years when I plan to replace the decals. Honestly, thats my biggest fear is how hard it will be to remove when the time comes.
10. After a scary start, I will say it did turn out pretty nice, was it easy, nope, would I do it again? Not sure, I need some time for my back to heal up!
If you do choose Poli Glow know there are other options that maybe a better way to go such as wet sanding etc. Poli Glow is pretty good, but it can be pretty bad also if the surface is not cleaned and the Poli Glow applied correctly.
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Reviewed in the United States on August 17, 2023