Description
Upgrade your BMW F90 M5 or BMW F9X M8 with the CarBahn Performance High-Performance Coil-Over Suspension Kit, engineered to improve handling precision, reduce body roll, and provide adjustable ride height for a more composed driving experience. Designed for BMW M performance vehicles, this suspension system combines carefully developed spring rates, adjustable threaded collars, and performance-oriented bump stops to deliver enhanced chassis control without unnecessarily compromising ride quality.
Adjustable Ride Height and Suspension Performance
The CarBahn Performance Coil-Over Suspension System features threaded collars that allow precise front and rear ride-height adjustments. Depending on tire clearance and vehicle configuration, the system allows lowering of up to 1 1/4 inches at the front and 1 1/4 inches at the rear. This adjustability helps drivers achieve their preferred vehicle stance while tailoring the suspension setup to their driving needs.
The system features spring rates approximately 10% stiffer at the front and 10% stiffer at the rear compared with the original specifications. These spring-rate changes are designed to improve chassis response and provide a more controlled driving experience during cornering and other demanding driving conditions.
Reduced Body Roll and Improved Handling
Designed to enhance the handling characteristics of BMW M5 and M8 models, the CarBahn coil-over suspension system substantially reduces body roll. Improved suspension control helps the vehicle remain more composed through corners and during directional transitions, contributing to greater driver confidence during spirited driving.
Fine-Tuned Bump-Stop Performance
The kit includes suspension packers that allow the installer to adjust bump-stop clearance and fine-tune handling and ride comfort. CarBahn-specification progressive bump stops are also included to help improve ride quality at lowered ride heights.
These components work together to help manage suspension movement and maintain a more balanced driving experience when the vehicle is configured for a lower stance.
High-Quality Construction
The CarBahn Performance Coil-Over Suspension Kit features components machined from 6061-T6 aluminum, providing a durable, performance-oriented construction. The system also utilizes the factory upper spring mounts to help maintain quiet operation.
Combining adjustable ride height, revised spring rates, progressive bump stops, and precision-machined components, this suspension upgrade is designed for BMW M enthusiasts seeking enhanced handling, a more aggressive stance, and greater control over their vehicle's suspension setup.
Installation and Safety Considerations
Because the system allows substantial vehicle lowering and changes suspension travel, the installer must carefully evaluate tire clearance under all operating conditions. Proper clearance must be maintained to prevent tire interference and potential damage or safety hazards.
Professional installation is recommended. A wheel alignment is required after ride-height adjustments and is not included in the estimated installation times below.
Product Features
- High-performance coil-over suspension system engineered for compatible BMW M5 and M8 models.
- Threaded collars for precise front and rear ride-height adjustment.
- Up to 1 1/4 inches of front lowering, depending on tire clearance.
- Up to 1 1/4 inches of rear lowering, depending on tire clearance.
- Front spring rates approximately 10% stiffer than the original specifications.
- Rear spring rates approximately 10% stiffer than the original specifications.
- Substantially reduces body roll for improved chassis control.
- Includes suspension packers for adjusting bump-stop clearance.
- Allows handling and ride comfort to be fine-tuned through bump-stop clearance adjustments.
- Features CarBahn-spec progressive bump stops to improve ride quality at lowered ride heights.
- Components machined from 6061-T6 aluminum.
- Utilizes factory upper spring mounts for quiet operation.
- Designed for performance-oriented street driving and improved handling characteristics.
Vehicle Fitment
Brand: CarBahn Performance
Make: BMW
Product Type: Suspension & Chassis – High-Performance Coil-Over Suspension Kit
Part Number: CBF90-3126
SKU: CBF90-3126
Vehicle Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024
Chassis Codes: F90, F91, F92, F93
Body Styles: Sedan, Coupe, Gran Coupe, Convertible
Detailed Vehicle Fitment by Model
BMW F90 M5 Sedan
- BMW M5 — 2018, 2019, 2020, 2021, 2022, 2023, 2024
- BMW M5 Competition — 2018, 2019, 2020, 2021, 2022, 2023, 2024
- BMW M5 CS — 2022, 2023
BMW F91 M8 Convertible
- BMW M8 Convertible — 2019, 2020, 2021, 2022, 2023, 2024
- BMW M8 Competition Convertible — 2019, 2020, 2021, 2022, 2023, 2024
BMW F92 M8 Coupe
- BMW M8 Coupe — 2019, 2020, 2021, 2022, 2023, 2024
- BMW M8 Competition Coupe — 2019, 2020, 2021, 2022, 2023, 2024
BMW F93 M8 Gran Coupe
- BMW M8 Gran Coupe — 2019, 2020, 2021, 2022, 2023, 2024
- BMW M8 Competition Gran Coupe — 2019, 2020, 2021, 2022, 2023, 2024
Important Fitment Note: The manufacturer-provided application list specifically identifies the F90 M5, F90 M5 Competition, F91 M8 Convertible and M8 Competition Convertible, F92 M8 Coupe and M8 Competition Coupe, and F93 M8 Gran Coupe and M8 Competition Gran Coupe. Confirm compatibility for the F90 M5 CS and the exact model year and configuration before ordering.
Estimated Installation Time
Installation time includes ride-height adjustment and excludes wheel alignment.
- BMW M5 Sedan and M5 Competition Sedan: 9.5 hours.
- BMW M8 Gran Coupe and M8 Competition Gran Coupe: 9.5 hours.
- BMW M8 Coupe and M8 Competition Coupe: 8 hours.
- BMW M8 Convertible and M8 Competition Convertible: 8 hours.
Installation and Safety Notes
- Carefully inspect tire clearance throughout the full range of suspension movement and under all operating conditions.
- Verify that the selected ride height is compatible with the vehicle's tire and wheel configuration.
- Have the suspension installed by a qualified professional.
- Perform a wheel alignment after installation and ride-height adjustment.
- Failure to verify proper tire clearance and installation safety may compromise vehicle safety and cause property damage or injury.
