Yeah the oil change intervals are so BMW can save money at your expense. If I was leasing I would just do it every 10k and not even think about buying out at the end lol. But if I was keeping the car or planning to own out of warranty I would do every 5-7k.
It depends on how you drive too. Are you doing multiple cold starts per day? Stop and go traffic? Weather? Do you hit redline everyday?
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