BC Racing ZX Series - BMW 2 Series F22 M235i (2014+) (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 ZX Series Coilovers – BMW 2 Series F22 M235i RWD 5-Bolt
The BC Racing ZX Series Coilovers for the BMW 2 Series F22 M235i with 5-bolt front top mounts are an advanced, track-focused suspension upgrade designed for drivers looking for maximum damping control and the ability to fine-tune their BMW for demanding circuit use.
The ZX Series is BC Racing's 3-way adjustable coilover platform, combining independent low-speed compression, high-speed compression and rebound adjustment with external reservoirs. This provides significantly greater control over damper characteristics than the BR, DS, RM or ER Series.
Why choose BC Racing ZX Series for your M235i?
The BMW F22 M235i provides an excellent foundation for a dedicated performance build, combining rear-wheel drive with strong power and a responsive chassis.
The ZX Series is designed for owners who want to develop their suspension around specific tyres, spring rates, alignment settings and circuit conditions.
With independent adjustment of low-speed compression, high-speed compression and rebound, the ZX Series gives you precise control over how the M235i responds to chassis movements, weight transfer, bumps and kerbs.
This makes it particularly suited to dedicated track cars, competition builds and highly developed fast-road vehicles where suspension setup is a key part of the overall vehicle specification.
Key Features
- BC Racing ZX Series 3-way adjustable coilover suspension
- BMW 2 Series F22 M235i RWD application
- 5-bolt front top mount configuration
- Independent low-speed compression adjustment
- Independent high-speed compression adjustment
- Independent rebound adjustment
- External remote reservoirs
- Increased damper oil capacity
- Improved heat management during sustained hard use
- Monotube damper design
- Independently adjustable ride height
- Rebuildable dampers
- Application-specific spring rates
- Custom spring rates and valving available
- Track-focused suspension platform
BMW F22 M235i Track Suspension
The ZX Series is designed for M235i builds where suspension performance and adjustability are a priority.
The three independent damping adjustments allow you to develop the suspension around the characteristics of the car rather than relying on a single damping adjustment.
Low-speed compression adjustment can be used to influence chassis movements such as roll, pitch and weight transfer, while high-speed compression adjustment allows the suspension response to be refined around kerbs, bumps and sharper surface changes.
Rebound adjustment then allows the damper's return characteristics to be tuned independently.
This level of control makes the ZX Series particularly suited to cars running aggressive tyres, increased spring rates, upgraded suspension arms, limited-slip differentials or other track-focused modifications.
3-Way Damping Adjustment
The defining feature of the ZX Series is its 3-way damping adjustment.
Unlike the BR and DS Series, the ZX allows the driver or suspension specialist to adjust:
- Low-speed compression
- High-speed compression
- Rebound
Separating these adjustments provides a significantly greater range of setup possibilities and allows individual aspects of the car's behaviour to be addressed without unnecessarily affecting the others.
For experienced drivers and competition-oriented builds, this provides the level of suspension control required to develop a setup around specific circuits and driving conditions.
External Reservoirs
The ZX Series uses external reservoirs to increase damper oil capacity and improve heat dissipation.
This is particularly beneficial during sustained hard driving, where damper temperatures can rise significantly. Greater oil capacity and improved heat management help maintain more consistent damping performance throughout a track session.
5-Bolt Top Mount Compatibility
This BC Racing kit is specifically for the BMW F22 M235i using the 5-bolt front top mount configuration.
The F22 platform uses different suspension configurations across certain models and specifications, so it is important to confirm your vehicle's exact fitment before ordering.
The 5-bolt application is different from 3-bolt F22 applications and the two configurations should not be treated as interchangeable.
If you're unsure whether your M235i 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 ZX Series can be configured with different spring rates depending on the application and intended use.
For a dedicated track car, spring rate should be selected alongside tyre choice, vehicle weight, aerodynamic load, suspension geometry and alignment settings rather than considered in isolation.
Custom spring rates and valving can also be specified for more specialised applications.
If you're developing a dedicated F22 M235i track car and aren't sure which specification is appropriate, contact us before ordering and we can help you select a suitable setup.
Maintenance and Servicing
The ZX Series is a rebuildable, high-performance suspension system designed for demanding applications.
Regular inspection and servicing are particularly important on vehicles that see frequent track use. The damper bodies, reservoirs, adjustment mechanisms and mounting hardware should be inspected regularly and kept clean.
Following BC Racing's recommended servicing procedures will help maintain consistent damping performance and extend the service life of the suspension.
What's Included?
The BC Racing ZX Series is supplied as a complete coilover suspension kit for the BMW F22 M235i 5-bolt application, including the application-specific dampers, springs and adjustable components required for installation.
Please check your vehicle's exact specification and front top-mount configuration before ordering.
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