After four months with the BMW Z4 Handschalter, the reality of the car’s performance contradicted the initial expectations of a comfortable daily driver. The reviewer expected a reliable vehicle for routine errands, but the vehicle’s handling traits quickly surpassed those limitations, creating a desire to drive simply for the experience itself. This behavior shifted the user’s perception of the car from a utility vehicle to a dedicated driving machine.
When compared to the Toyota GR Supra, the primary distinction lies in the chassis tuning. The Z4’s rear axle remained stable over uneven surfaces, offering better grip than the Supra, which could struggle with traction on rougher roads. This difference was not just a feeling; it was backed by physical metrics. The Z4 M40i Handschatter weighed 150 kilograms less than the Supra, sitting at 1,550 kilograms. This reduction in mass allowed the car to accelerate in-gear with a vigor comparable to a 454bhp M2, despite having less horsepower per ton.
Power figures for the Z4 list 335bhp, but the torque-to-weight ratio tells a more complete story. The Z4 delivered 242lb ft per ton, nearly matching the M2’s 243lb ft. This efficiency made the car feel more potent than its numbers suggest, especially when utilizing the full rev range of the six-cylinder engine. The manual transmission encouraged this use of the engine’s capabilities, from the low-end torque to the 7,000rpm redline, though the rev-match feature proved inconsistent and sometimes caused lurching.
Despite the mechanical virtues, the car was not without flaws. The soft-top roof would creak when raised, a common issue with convertible tops that can sometimes be mitigated with rubber care solutions. The ride quality also presented a compromise; while fine on smooth pavement, the suspension could be jarring over urban bumps. This sensation was likely exacerbated by the cabin’s proximity to the rear wheels, a trade-off inherent in the roadster’s design.
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There is a distinct possibility that the Z4’s chassis tuning prioritizes driver feedback over absolute stability, a choice that may alienate some passengers. While the reviewer enjoyed the car’s character, the physical comfort of those in the back seats might suffer on less-than-perfect roads. This trade-off suggests that the Handschatter is optimized for the driver’s experience rather than a shared luxury experience.
The testing of the manual transmission revealed a subtle interaction with the car’s engine mapping. The mechanical linkage provides a direct connection to the drivetrain, rewarding smooth inputs with precise responses. However, the electronic systems attempting to assist the driver do not always align with the mechanical rhythm, leading to moments of hesitation or abruptness during quick shifts.
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