BMW 440i Gran Coupe Coilover Suspension Kit - Bilstein - B12 (Pro-Kit) - `17-`20
BMW 440i Gran Coupe Coilover Suspension Kit - Bilstein - B12 (Pro-Kit) - `17-`20

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BMW 440i Gran Coupe Coilover Suspension Kit - Bilstein - B12 (Pro-Kit) - `17-`20. This Bilstein B12 (Pro-Kit) pairs Bilstein Performance dampers with Eibach Pro-Kit springs to provide a complete suspension solution for 2017–2020 440i Gran Coupe owners seeking a firmer, lower setup tuned for road use.
The B12 (Pro-Kit) is engineered as a fixed-height lowering kit with application-specific tuning. For this model the kit delivers moderate lowering in the range of approximately 25–40mm, combining Bilstein’s monotube-style dampers with progressive Eibach springs to improve turn-in response, body control and overall driving dynamics while maintaining ride quality and safety reserves. This is a complete kit intended to replace factory dampers and springs with components matched for consistent performance.
Features
- Bilstein Performance dampers tuned to the 440i Gran Coupe application
- Eibach Pro-Kit progressive lowering springs for controlled drop (approx. 25–40mm)
- Complete front and rear suspension kit—springs and dampers included
- Designed for improved response and handling for spirited street driving
- Engineered to retain safety reserves and compatible with common factory mounts (verify fitment)
If you have questions or want help confirming fitment, call us directly—our experts can advise on fitment, installation and customization. We offer installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA). We install on premises at both locations. If you are considering purchasing multiple items, contact us for shipping discounts.
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