Quote:
Originally Posted by Salty B.
Didn't want to start a new thread for this q: prior owner ran Liquimoly 5W-40 full synth oil every 3,000mi. That's an expensive oil change. Costco has 12qt of full-synth 5W-30 for $35 on sale. The engine has 201,000mi, does not burn oil. Any issue going to the slightly-lower weight? Kirkland oil is made by Warren, same as the Walmart equivalent.
Any experiences with the Costco stuff? Is Liquimoly really worth costing 3x as much for the 8L M54 oil change?
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Just use the high quality oil like liqui moly or castrol. It doesn't make sense to me why people try to save mere dollars when it comes to vital things like quality oil but I guess that's what happens when once nice cars are at a certain price point that attracts certain buyers.