What damage could have happened after an engine management problem?

I bought a new Mini Countryman Cooper S. Regrettably within the first week and with only 350 miles on the clock, the engine management system said there was a fault, the engine started running roughly and, once I stopped, I had to be recovered.

The dealer who repaired the vehicle gave me the their technical report, which states that the solenoid valve for the camshaft adjusting unit had stuck. The car is running well since the repair, but has this done any lasting damage? The dealer says it has not. I drove the car for another 20 miles with the warning light on and reduced power.

Asked on 12 May 2014 by H&E

Answered by Honest John
I don't see how this could have caused any damage.
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