BMW applies for a new patent for manual transmissions, which can prevent Money Shift from occurring

【PCauto】Whether or not you like BMW’s recent design style, the German automaker's attitude toward the manual transmission remains commendable.

While Audi and Mercedes-Benz have already fully transitioned to automatic transmissions, BMW continues to offer the three-pedal layout in its M series for a select group of drivers and is even exploring ways to help manual transmissions endure longer in the market.

BMW's recently revealed patent clearly underscores this commitment.

BMW has submitted a new manual transmission protection design to the German Patent and Trade Mark Office, aimed at preventing the dreaded "money shift" that many drivers fear.

The so-called "money shift" is not a rare occurrence. It typically happens during high-speed acceleration or track driving, when the driver intends to shift up but accidentally selects a lower gear.

The resulting sudden spike in engine speed can cause over-revving and transmission damage, with notoriously high repair costs—hence the name “money shift.”

Even experienced drivers are not immune to the risk of a money shift.

BMW's approach is not to fully take over shifting electronically, but to incorporate a judgment and restriction mechanism at the physical level.

The patent document reveals that this manual transmission will incorporate a mechanism similar to a reverse gear lock, though it is no longer limited to reverse gear—instead, it covers all gear positions. The system can determine whether a downshift is safe based on current vehicle speed, engine rpm, and the selected gear.

If the system determines that selecting a certain gear could damage the powertrain, the gear lever will be physically blocked, preventing the driver from forcing it into that gear. The lock will only be released when conditions are deemed acceptable.

This logic is similar to the downshift protection used in automatic or dual-clutch systems, but BMW has adapted it for the traditional manual layout.

From a driving experience standpoint, this does not mean manual transmissions are becoming “electronified.” Drivers still need to press the clutch and choose gears themselves, but the system intervenes to prevent a mechanical disaster before a severe operational error occurs.

For drivers who combine daily commuting with occasional spirited driving, this design reduces psychological pressure.

The emergence of this patent is closely tied to BMW’s current product lineup. With the Z4 nearing discontinuation, BMW currently offers a manual transmission only on the M2, M3, and M4.

BMW has confirmed that the M2 will retain a manual version for at least the next few years, and the next-generation M3 and M4 are also expected to continue offering this configuration.

However, the reality remains clear: the number of models that can be equipped with this technology is continually shrinking. Increasing power outputs and the growing shift toward electrification are shrinking the survival space for manual transmissions within the product lineup. Thus, BMW’s willingness to invest development resources sends a clear message: the manual transmission still holds a place in the brand’s ethos.

In the long term, this technology may not remain exclusive to BMW. Moreover, a patent does not guarantee production, but it does offer the industry a new perspective: manual transmissions need not disappear and can continue to evolve through engineering advances.

In the future, this design could be licensed to third-party transmission suppliers or appear in performance models from other brands.

In an era where electrification continues to erode traditional mechanical structures, BMW’s patent may seem countercurrent. However, it is not about resisting the trend, but about refining the manual driving experience—making it more mature and safer—before that trend concludes.

At least for the foreseeable future, this commitment will continue to make a certain group of drivers feel respected.