Klaus Weber · DTM-Korrespondent
A technical detail in the locking differential is sparking discussion within Timo Glock's team and raising questions about how thoroughly the DTM's technical regulations are actually enforced.
A technical dispute has erupted over Ben Dörr's race entry, centered on a component barely visible from the outside but with considerable influence on how the car handles: the ramp angles in the locking differential. According to a report from Motorsport-Total.com, the question has been raised whether Dörr's vehicle, in the context of Timo Glock's team, ran a non-compliant combination of these angles. A definitive technical clarification remained outstanding at the time of reporting.
What Ramp Angles Do During Racing
A DTM car's locking differential distributes driving force between the two powered wheels while limiting the RPM difference that occurs during acceleration out of corners or braking into a apex. This behavior is controlled largely through so-called ramp angles—mechanical stop surfaces that determine how aggressively the differential locks under load or under throttle lift.
A steeper angle on the acceleration side creates earlier and harder locking when accelerating, providing traction at corner exit but potentially causing understeer at the limit. A shallower angle on the braking side, conversely, influences how the car responds when the driver lifts off the throttle before braking. Because these combinations are specified in the DTM's technical regulations within tight tolerances to prevent pure setup advantages from distorting competition, any deviation is a potentially significant competitive gain—especially since it's barely visible on the car itself.
The Allegation and Its Source
The Motorsport-Total.com report specifically links Ben Dörr and Timo Glock's team environment to the question of whether the differential contained a different ramp angle combination than what was submitted for technical approval. Since only this single source is available so far, the allegation can only be presented as a reported question rather than established fact.
Technically, such a swap, should it be confirmed, would not be something that happens by accident. Changing the ramp angles requires opening the differential housing, representing a deliberate intervention in the garage—typically between sessions or overnight. This is precisely what makes such cases difficult to verify after the fact unless caught through targeted technical inspection of the component itself.
Implications for the Team and Championship
For Timo Glock's team and Ben Dörr personally, a confirmed rule violation would carry immediate sporting consequences, ranging from a time penalty to disqualification of results depending on how the race commissioners adjudicate. For the championship as a whole, clarification would also matter, since the tight regulations governing DTM's Balance of Performance rely on technical freedoms like differential setup remaining equally restricted for all teams.
Until an official technical investigation yields results, the matter remains open. Should the race commissioners pursue the case, it will become clear whether this represents an actual regulation violation or a setup decision within tolerance margins that was later misinterpreted. In any case, the coming weekends warrant closer attention to technical scrutiny in the paddock.





