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What suspension does the BMW M4 use?

3 Answers

VonDaisy

07/29/25 8:15pm

The BMW M4 uses a double-joint independent suspension at the front and a five-link independent suspension at the rear. The double-joint independent suspension is an improvement by BMW based on the standard MacPherson suspension. While the MacPherson suspension has only one L-shaped control arm, the double-joint independent suspension replaces this L-shaped control arm with two links, creating two connection points between the suspension and the steering knuckle. This enhances the car's cornering performance and handling. The double-joint independent suspension also improves steering precision, and many of BMW's M Power series models use this suspension. The dimensions of the BMW M4 coupe are 4678mm in length, 1870mm in width, and 1394mm in height.

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MacFernando

08/14/25 4:39pm

The BMW M4's suspension system is particularly focused on handling performance. The front suspension utilizes a double-joint spring strut design, which precisely controls wheel movement trajectories and delivers sharp steering responses. The rear suspension features a classic five-link independent setup, offering excellent support and stability. Having driven the new M4, I was surprised by its comfortable ride quality during daily driving, but switching to Sport mode immediately firms up the chassis, with almost no body roll felt during cornering. This suspension system also offers an optional adaptive M suspension that automatically adjusts damping force to suit different road conditions. Additionally, its suspension arms use lightweight aluminum alloy materials, significantly reducing unsprung weight to benefit handling—the sense of grip is especially strong when driving on mountain roads.

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FranciscoLee

08/14/25 4:40pm

As a performance car enthusiast, I've always been focused on the M4's chassis design. Its front suspension features a double-ball-joint structure, which provides one more pivot point than a standard MacPherson strut setup, resulting in higher steering precision. The rear five-link suspension is tuned quite aggressively, working in tandem with adjustable dampers to maintain body stability even during high-speed cornering on the track. One noteworthy detail: both the suspension springs and shock absorbers have undergone special reinforcement treatment, with stiffness approximately 20% higher than the standard 4 Series. During my test drive, I noticed it filters bumps well in Comfort mode, but Sport mode makes road granularity noticeably perceptible. If you opt for the adaptive suspension, the system actively monitors body posture to adjust damping—truly intelligent.

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