Force India F1 team fined for Perez's wheel falling off in practice

A €15,000 fine, and additional €85,000 penalty that is suspended for 12 months, was dished out by FIA stewards following a Saturday morning investigation into the incident that occurred in Friday's second practice session.

Perez lost his left-rear wheel at high speed in FP2 with the wheelnut and its retention device still attached to the wheel.

The FIA's initial analysis suggested some form of debris might have caused the wheel to not be properly located on the hub, while team chief operating officer Otmar Szafnauer suggested it could have been a retaining bolt problem.

FIA stewards Garry Connelly, Enzo Spano, Yannick Dalmas and Jean-Marie Krempff reviewed video evidence and spoke to FIA technical delegate Jo Bauer, Sergio Perez, Force India team manager Andy Stevenson and the wheelgun operator.

Their report said the high-speed nature of the incident made it "very serious and potentially dangerous", and claimed Bauer revised his original report.

Bauer instead confirmed Szafnauer's original theory, with the stewards noting that "the problem was not caused by incorrect or incomplete fitment of the wheel but rather by an assembly fault involving poor seating of three retaining screws on the retaining plate".

The stewards said there was no error from the wheelgun operator in fitting the wheel or checking its security.

They said it would be "unreasonable" to suggest the appropriate action to stop the car was not taken, because the team and driver had no warning of a problem before the wheel detached.

It continued: "Accordingly and consistent with previous decisions this year, the stewards decided that the grid place penalty that 'may' be imposed under the above article, would not be applied.

"However, it is noted that this is the third incident of this nature involving the team in the

past two years and the second this year, and hence the usual penalty has been significantly increased.

"This fine represents the view of the stewards that the team needs to investigate its assembly and quality control procedures to ensure this type of potentially dangerous incident does not occur again, and believes the penalty is suitable and will also act as a deterrent in the future."