Відомий дефект: Oil change intervals of up to 30,000 km have been associated with premature rod bearing wear on M9R engines in general; shorter intervals are often recommended in expert discussions.
Відомий дефект (ГРМ): No verified timing-chain issue found for M9R 740 in the provided sources; the engine is generally described as timing-belt driven, but no source here confirms the interval for this exact variant.