twoqttsdad wrote:Another 5,000 miles and time for another oil change. Using Mobil1 5w-30 and a Bosch filter.
This time I have ramps! So much easier than jacking the car up.
Trying to figure if I can stretch the oil change interval to 10,0000 now since switching to synthetic.
Which Bosch filters? The Premium filters are the same as Purolator PureOnes and have the same issue with the filter media tearing. I wouldn't use those for extended OCIs
Bosch offers the Distance Plus oil filters that are intended for extended OCIs. I coincidentally bought one yesterday since I also got my motor oil. Walmart only carried FRAM or Bosch oil filters so I went with the Bosch Distance Plus. I too have read that Bosch Premiums are essentially the same filter as Purolator PureOnes which have been observed with some compromised filter media. The Distance Plus filters are supposedly different.
I also noted that this Walmart did not carry Pennzoil Ultra nor German Castrol. However, they had Royal Purple going for about $37 for a 5 quart jug. I decided on Pennzoil Platinum as it's among my favorites and was less than $23 for 5 quarts. It also came with a $10 mail-in rebate coupon.
I think Mobil 1 is okay for a 10K mile OCI, but I'd personally want to use Mobil 1 Extended Performance for 10K and beyond. From what I've read, the Extended Performance is essentially what Mobil 1 used to be; a true Group IV synthetic. However, since their rivals are getting away with calling the lower grade Group III stock motor oils as "Full Synthetic" in the United States, Mobil 1 essentially did the same to save on manufacturing costs. While in the US, this is all okay and these motor oils are labeled "synthetic", the current Mobil 1 and many others would not be considered synthetics in Germany. Thus, Mobil 1 Extended Performance is what's being used by brands like Mercedes-Benz as factory fill and is the recommended motor oil for 1 year/15K OCIs.