No one really knows if non-ester oil will cause problems over time. So you can't say it won't cause problems. When Nissan says and recommends you use Ester oil, there is a reason for that. If you aren't using it, you are taking a chance. So either way, you do not know what could happen while Nissan does. But I would always not believe what a dealer says as most of the time they know less than the consumer.
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SOLD: 2007 NISMO 350Z #0044 Silver Alloy
New DD: 2010 Titan Pro4X CC
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