Quote:
Originally Posted by ovekvam
The 118i is an Efficient Dynamics engine, and by no means a high performance engine. The dealer should be able to read the actual fault codes and fix the problem.
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+1
It could be a faulty fuel sensor or an issue in the EMS/mapping not set for 92 octane or lower octane fuel management
Can you get access to 98 octane fuel to rule out a fuel issue.