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Will do. Thank you. Unfortunately the Walmarts in my area do not stock this oil in 5qt jugs and rebate won't work with online order though.

thank you. That is very helpful. Will check out the link.

Thank you. I should go back (continue to use) to the trusted Mobil 1 then. Walmart carries Mobil 1 5w-40 as well as 0w-40, both Euro blend. I have been using 0w-40 most of the time (even before fs reformulation), but sometimes they are low on stock and I have used 5W-40 instead. I don't live in...

I have 550i 2009 and 2010 with naturally aspirated 4.8L T62TU motor. I have always been using Mobile 1 0W-40 in these cars. Right now there is a crazy rebate on Pennzoil and I was considering trying 5W-30 Ultra oil. Both can be sourced at Walmart. It is not euro approved oil and the Walmart...

The cars in question are BMW 550i 2009 and 2010. Both have V8 4.8 naturally aspirated engine. There is no oil temp monitoring , but one could make fun needle (gas mileage) to show engine temperature as in 650i. I believe this is coolant temp and not oil temp (something to read on). Coolant temp...

guys thanks a lot for your replies. I am confused about not getting engine to its operating temperature. How could one monitor that temperature? I understand that short trips are bad as the car doesn't heat up enough. I consider short trip if I drive shorter than 20 minutes. Driving on freeway...

are you saying the engine won't fully heat up if I don't rev it beyond 2.5-3k (gasoline red line at 6.5k)?

my definition of driving like a grandma is not abusing the vehicle (full throttle). Normal driving, don't see why grandmas cannot make 30 minute trips. With traffic we have in most places 30 minute is nothing by today's standard.

why driving like gramma is worse? I see many that suggest drive BMW like you stole it and it will prolong the life of the engine. At the same time when I help guys to diagnose problems I see those that drive their BMWs hard have tons of problems with their vehicles vs those that drive them normally.

I have a few vehicles that I don't put many miles on. Mostly driven during the summer time. I have been typically changing oil after 4-5k miles or every 18 months. Now I drive them even less frequently and was wondering if I am wasting my time changing oil after 2k miles if they don't get driven...