SKU: 7038710372

KW Suspension Coilover Kit V1 for BMW 6 series E63 E64 (663C) Coupe Convertible (10220006)

Sale price$919.80 Regular price$1022.00
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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Description

KW Suspension Coilover Kit V1 for BMW 6 series E63 E64 (663C) Coupe Convertible (10220006)The KW Variant 1 "Inox line" coilover kit is our entry point into our street performance lineup. Thanks to the high quality "Inox line" stainless steel coilover struts, corrosion resistant springs, bumps stops and dampers that are optimally tuned by our engineers the result is a balanced and sporty feel specific to each vehicle application designed for long lasting driving pleasure. The KW Variant 1 "inox line" coilover allows you to experience an

The KW Variant 1 "Inox-line" coilover kit is our entry point into our street performance lineup. Thanks to the high-quality "Inox-line" stainless steel coilover struts, corrosion resistant springs, bumps stops and dampers that are optimally tuned by our engineers the result is a balanced and sporty feel specific to each vehicle application designed for long lasting driving pleasure. The KW Variant 1 "inox-line" coilover allows you to experience an optimized balance of sportiness and comfort while driving. Even with a maximum vehicle load, the dampers always maintain a sporty characteristic. With KW Variant 1 coilovers you can achieve maximum lowering within an approved lowering range that ensures a proper functioning suspension and adequate travel after your car is lowered. Even after years of use you can easily adjust the ride height thanks to the dirt resistant trapezoid thread and composite adjustment collar.

KW Variant 1 Coilovers Feature:

  • Customized Suspension Lowering. KW coilover suspensions, KW height adjustable springs, and KW DLC Air Suspensions allow the suspension to be lowered within the vehicle's technical limitations. For example, our Street Comfort products allow for a customized ride height setting with mild suspension lowering from 10 - 50 mm, while the Street Performance products allow the maximum technically possible suspension lowering range from 45 - 85 mm, depending on the vehicle. This means that the suspension can be lowered to suit the personal needs of the user and, depending on the product category, a setting ranging from Comfort to Performance can be chosen.
  • Composite Spring Seat. The KW coilover spring seat, also known as a spring perch, is constructed with a wear-resistant, friction-optimized polyamide composite material encompassing a stainless steel insert. In contrast to the anodized aluminum adjustable spring seats, the polyamide composite material prevents any possible oxidation while the stainless steel insert maximizes strength.
  • Trapezoidal Threads. In combination with the Inox-Line stainless steel coilover struts, this guarantees the long-term functionality of ride height adjustability. In comparison to common coilovers, KW uses a friction-optimized trapezoidal thread which is less sensitive to dirt and requires less force to adjust. Its large cross-section also provides a higher load-bearing capacity.
  • INOX-Line. KW's coilover suspension struts are manufactured from high-quality stainless steel that is rust-proof. In contrast to other solutions, Inox-Line coatings will not wear off while adjusting the suspension making KW coilover struts 100 percent corrosion resistant with an unlimited lifespan. Lowering the suspension using the trapezoidal thread in combination with the polyamide composite spring seat guarantees long term usability. Even after years the ride height adjustability is not affected.
  • KW 7-Post Driving Dynamic Test. Used regularly by automobile manufacturers and international race teams, KW's in-house 7-post drive dynamics test facility is utilized to optimally tune KW coilover suspensions according to the design and target group. The 7-post drive dynamics test facility is essential for fine tuning along with actual on-road evaluation on public roads and race tracks. In objective laboratory conditions, which can be reproduced at any time, we work everyday to give our customers the internationally-esteemed KW driving experience.
  • Technical Component Report. The technical component report is always included in the package and outlines the guidelines for lowering the suspension of the respective vehicle. The technical component report ensures the vehicle remains usable when set within the guidelines provided in the installation instructions, allowing for an inspection and subsequent entry into the vehicle documents to be carried out without any problems. The technical component report also includes precise vehicle classification, requirements, and tips for safe fitting.These reports are required for road legal approval in many countries, check local laws.

 

KW is the Benchmark for coilovers. KW Variant 1 "inox-line" coilover rewards the sporty driver with its harmonious pre-configured setup. For each vehicle our engineers develop a specific damper setup and spring rate to increase the driving pleasure with an optimal balance of sportiness and practicality. As with all KW coilovers, the engineers at KW develop the vehicle-specific KW damper tuning and spring rates with comprehensive testing on the N?rburgring Nordschleife and in the KW 7-post chassis dynamics test center. You are not buying a mass produced, generic coilover kit, a KW coilover has been developed specifically for your particular vehicle. As a manufacturer, KW uses only its own resources, high quality components and the damper technology that has all developed in-house. With the KW Variant 1 "inox-line" coilovers, body roll will be reduced during compression giving you the benefit of a more genuine and direct sporty handling while driving.

  • Specifically Tuned Package Per Application
  • Rebound Valve Assembly
  • KW Coilover Struts are Made of Stainless Steel
  • Vehicle Specific Chasis Development
  • In House Production in Fichtenberg, Germany
  • Each KW Coilover Development Undergoes Endurance Testing

Height adjustable on the front and rear axles (threaded strut housings). When using original tires, wheel offset spacers may be required. Not for vehicles with automatic self leveling control

 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 7038710372

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Judy Deibel
Pawtucket, US
★★★★★ 4
Keep chewing boys!
Color: KING KONG
There is nothing that can't be destroyed. The nice thing about dog toys from this company, is that they last a long time. We have 3 dogs 🐕, 2 of them are aggressive cheers. Over time, these dog toys will develop some sharp edges. When the dogs want to play, if they rub that toy on your ankle, it can remove skin. The toy is still intact, but becomes hazardous to the humans in the house. That is when you go back to the Amazon site, and order new toys. Our dogs love these, as they are a challenge to chew. And they do last a long time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
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Verified Purchase
Dakota S
New York, US
★★★★★ 5
Our Pit loves them!!
Size: Medium, Style: Bone, Product Packaging: Standard Packaging
We are on our third one in 2 years for our Pitbull Terrier. She’s an extremely aggressive chewer and will shred even the most “durable” labeled toys. She gets bored with rope style toys and always alternates to this Kong rubber bone. She will gnaw on this thing for hours. After a few days of use, it does start to show wear and the rubber begins splitting, but we haven’t had to be concerned about chunks or anything like that coming off and choking her. Keeps her teeth nice and shiny while keeping her occupied for hours. When one wears out, we just order a new one. I hate spending big money on dog toys, but these are more affordable and worth the cost!!
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Reviewed in the United States on June 7, 2025
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Verified Purchase
JNJ Mastiffs
Carnegie, US
★★★★★ 5
Durable, no bounce or squeak
Size: Large, Style: Ball, Product Packaging: Standard Packaging
My Great Dane loves to carry his ball on walks, but with most balls, when dropped, they’d bounce and roll away. I found these balls that are very durable when he bites down on them, and when he accidentally drops them, they don’t bounce or roll far.
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Reviewed in the United States on June 5, 2026
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Lisssssss
Lexington, US
★★★★★ 4
Super fun for the dog, but doesn’t last.
Size: Small, Style: Bone, Product Packaging: Standard Packaging, Size: Small, Style: Bone, Product Packaging: Standard Packaging
I just ordered the 3 rd one. The bad thing is that my dog destroyed it in 3 hours. Luckily she spits out all the small pieces of plastic. The good thing is, that she gets so much joy out of it, it makes her so happy and tired that I am a fan! Well worth 9$! She is 25lb and I didn’t think she was an aggressive chewer before this toy. If your dog tends to eat all the plastic pieces , don’t get it.
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Reviewed in the United States on April 4, 2026
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S.E.F.
Lowell, US
★★★★★ 3
See updated review; destroyed within 15 minutes
Size: Medium, Style: Bow Tie, Product Packaging: Standard Packaging
I'm bummed. My pup destroyed this within fifteen minutes. I thought because it was made by Kong, it would hold up a little better. I also have their black rubber toys and those are great! Update: I didn't expect to be contacted by the seller but they reached out after seeing my review and offered a full refund which I received quickly. Truly outstanding customer service!!!
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Reviewed in the United States on December 2, 2025

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