BC Racing RM Series - BMW 1 Series F20 RWD (2011-2019) (5-Bolt Top Mount)
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PLEASE NOTE THE IMAGE IS FOR ILLUSTRATION PURPOSES ONLY IF YOU REQUIRE SPECIFIC NEEDS SUCH AS TOP MOUNTS THEN PLEASE CONTACT US TO CONFIRM BEFORE ORDERING
BC Racing RM Series Coilovers – BMW 1 Series F20 RWD 5-Bolt
The BC Racing RM Series Coilovers for the BMW 1 Series F20 RWD with 5-bolt front top mounts are a high-performance suspension upgrade designed for drivers looking for increased chassis rigidity, reduced unsprung mass and greater suspension performance.
The RM Series builds on BC Racing's coilover platform with an inverted monotube damper design, providing increased structural rigidity while reducing the weight of the moving suspension components. Combined with adjustable damping and ride height, the RM Series is particularly suited to fast-road and track-focused F20 builds.
Why choose BC Racing RM Series for your BMW F20?
The rear-wheel-drive F20 1 Series provides an excellent platform for a performance suspension setup. The RM Series takes the standard BC Racing platform further with its inverted damper design, helping improve rigidity and resistance to heat during demanding driving.
The 30-way damping adjustment allows you to fine-tune the suspension response, while independent ride-height adjustment allows you to lower the F20 without altering spring preload.
For BMWs that see regular spirited driving, track days or other demanding use, the RM Series offers a more performance-oriented suspension platform than the standard BR Series.
Key Features
- BC Racing RM Series high-performance coilover suspension
- BMW 1 Series F20 RWD application
- 5-bolt front top mount configuration
- Inverted monotube damper design
- 30-way damping adjustment
- Independently adjustable ride height
- Ride-height adjustment without altering spring preload
- Rebuildable damper design
- Application-specific spring rates
- Custom spring-rate options available
- Designed for demanding fast-road and track use
BMW F20 Suspension Upgrade
The BC Racing RM Series gives F20 owners a highly capable suspension platform for developing the car's handling performance.
The inverted damper design increases structural rigidity while reducing unsprung mass, helping the suspension respond effectively during rapid changes in direction and high-load cornering.
The RM Series can also be configured alongside performance tyres, uprated anti-roll bars, polyurethane bushes, adjustable suspension arms and more aggressive alignment settings.
For a fast-road F20, the RM Series provides a highly adjustable suspension setup with a strong focus on chassis control. For cars that regularly see track use, the inverted design and improved heat management can provide additional benefits during sustained hard driving.
Inverted Damper Technology
The defining feature of the RM Series is its inverted monotube damper design.
Unlike a conventional damper, the inverted configuration places the larger damper shaft and associated components towards the chassis. This increases structural rigidity and reduces the amount of suspension mass moving with the wheel.
The design can also provide improved heat management during prolonged hard driving, making the RM Series particularly well suited to vehicles that see regular track use.
RM Series Maintenance
As a high-performance inverted coilover system, the RM Series requires appropriate inspection and maintenance to maintain its performance.
The inverted damper design uses a damper cartridge within the outer body, and the relevant mating surfaces should be kept correctly lubricated and inspected periodically. This is particularly important on vehicles exposed to road grime, water and frequent track use.
If your F20 is primarily an everyday road car and minimal maintenance is a priority, the BR or DS Series may be a more suitable choice. The RM Series is aimed at drivers who can make use of its additional performance characteristics.
5-Bolt Top Mount Compatibility
This BC Racing kit is specifically for applicable BMW F20 rear-wheel-drive models using the 5-bolt front top mount configuration.
BMW F20 models are available with different front top-mount configurations, so it is important to confirm your vehicle's specification before ordering.
The 5-bolt application is different from the 3-bolt version and the two kits should not be treated as interchangeable.
If you're unsure whether your F20 uses the 5-bolt front top mount configuration, contact us before ordering and we'll help you identify the correct kit.
Choosing Your Spring Rate
The RM Series can be supplied with different spring-rate configurations depending on the application and selected specification.
The ideal spring rate depends on how your F20 is used, its existing modifications, tyre choice and your preferred balance between compliance and handling.
For fast-road and track-focused builds, higher spring rates may be appropriate depending on the rest of the vehicle's setup.
If you're unsure which spring-rate configuration is best for your F20, contact us before ordering and we can help you select a suitable setup.
What's Included?
The BC Racing RM Series is supplied as a complete coilover suspension kit for the applicable BMW F20 RWD 5-bolt application, including the application-specific dampers, springs and adjustable components required for installation.
Please check your vehicle's drivetrain and front top-mount configuration before ordering.
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