KW Coilover Kit V2 BMW 4-Series

Marsoni

M251S

$1317.42

Get it in 3 business days with 1 day shipping. Friday, May 29

KW Coilover Kit V2 BMW 4-SeriesKW V2 INOX LINE coilovers are the perfect solution for drivers who want more than just outstanding looks and adjustable ride height. In addition to stainless steel coilover struts, and corrosion resistant components built for long term durability, KW V2 coilovers utilize TVR A (Twin Valve Rebound Adjustable) technology that allow Adjustment of the rebound damping characteristics with 16 clicks so you can fine tune the ride comfort or performance to

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We offer a 30-day return/exchange service after receiving.
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I ordered these hoping that they would work in my Saros 10R but I didn't have the greatest experience. It's a nice kit because it has everything you need while the company hasn't fully released all replacement parts yet. However, it seems like the quality is lacking compared to what came with the vacuum. When I got the kit, I replaced the mop pads, filter in vacuum, side brushes and main rollers. The mop pads are fine and seem to work as good as stock. They are the right size and I don't have any issues with them. The side brushes also seem mostly the same as stock. However, I ran into issues with the filter and the rollers. I'm including pictures of the filter after one week of use compared to the stock one that has had almost two months of use. It seems like the replacement filter was easily clogged up, whereas the original after two months was clogged in one area. On the back side of the filter, it seemed like the replacement filter was puffy whereas the original was crisp. Even after knocking the replacement around, it seemed like the dust was glued to the filter. These pictures were also taken after the dock "emptied" the vacuum. I also noticed that when I replaced the rollers, the vacuum made a noise like something was rattling around. I put the original rollers back on and the noise stopped. Tried one more time and it made the rattle. So I just ended up using the stock rollers. The kit is nice because it has all the parts you need to maintain the vacuum. However, my experience is that it doesn't work as nice as the originals and I ended up going back with the original manufacturer parts.

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Reviewed in the United States on February 21, 2026

Verified Purchase

Cuba, US

★★★★★ 5

Great mopping floor looks clean

Size: Mop Cloth-4

Mop heads are doing a great job. Always buy original ones for the clean look of your floor

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Reviewed in the United States on January 17, 2026