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  #1  
Old 11-10-2019, 05:33 PM
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What oil are people using?

Particularly the 4.6is. My motor has 96k and is healthy but I live in NY where the weather is getting colder now (if anyone feels that makes a difference) so I’d like to hear everyone’s input on what they suggest and what they’ve been happy with. Opinions change over the years...


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  #2  
Old 11-10-2019, 07:14 PM
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I'd choose the lightest weight full synthetic that would meet the mfr req. and pick the brand you like.
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Old 11-10-2019, 08:50 PM
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Hi

I made the mistake of using the wrong oil (5W 40) in our 4.4 with 170,000 km on the clock. Immediately got smoking on extended idle.

My indy (ex BMW) recommended Castrol 5W 30 LL01 and we did a complete change (filter etc)... issues gone.

Cheers
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  #4  
Old 11-10-2019, 09:33 PM
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FWIW, I've been using Mobil1 10-W30 for years both in the 4.4i and the Tundra Gen-1 (200k). I just finished chain guides and seals job on the 4.4i and the motor runs clean and well. Wear on the chain guides was minimal the internals were very clean. Both motors run quietly and trouble free but I change oil every 5k - 7k, intervals which are a bit short by modern standards. Still, I feel the mobil1 works well. Nevertheless, I think most brand oils will do the job well enough given the right grade and not overly long intervals between changes.

On the other hand, in my E70 35d I use only the oil from BMW itself, as diesels are pickier and it is priced within the ball park if bought as a kit.
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2003 4.4i black ext./black int./black headliner
2006 4.8iS Le Mans blue/cream int./black headliner, SOLD sadly...
2009 E70 35d, black ext./black int./black headliner (shipped to Europe)

Hmmmm, love those black headliners!

Other hardware:
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Old Yesterday, 06:34 PM
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Quote:
Originally Posted by TriX5 View Post
FWIW, I've been using Mobil1 10-W30 for years both in the 4.4i and the Tundra Gen-1 (200k). I just finished chain guides and seals job on the 4.4i and the motor runs clean and well. Wear on the chain guides was minimal the internals were very clean. Both motors run quietly and trouble free but I change oil every 5k - 7k, intervals which are a bit short by modern standards. Still, I feel the mobil1 works well. Nevertheless, I think most brand oils will do the job well enough given the right grade and not overly long intervals between changes.

On the other hand, in my E70 35d I use only the oil from BMW itself, as diesels are pickier and it is priced within the ball park if bought as a kit.
What mileage is your 2003 4.4i e53 on?
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Old Yesterday, 07:56 PM
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It is now at around 125,000 miles. I bought the vehicle with 40k miles. So a pretty good run.
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2003 4.4i black ext./black int./black headliner
2006 4.8iS Le Mans blue/cream int./black headliner, SOLD sadly...
2009 E70 35d, black ext./black int./black headliner (shipped to Europe)

Hmmmm, love those black headliners!

Other hardware:
2005 Tundra crew cab, son's DD and weekend hauler
2015 Cayenne S (wife's new DD and definitely wroooommmmm)
2016 Tundra 1794 edition crew cab, luxo hauler
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Old Yesterday, 11:28 PM
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Ugh, oil threads. There is no one answer to this question. Will depend on your service habits, climate you live in, and condition of your engine. I run liquimoly 10w-50 here in south Texas. But I've run all sorts of combos here. Usually add at205 as well to mitigate smoke on extended idle.

Or, eliminate any question marks and run whatever oil BMW specs. More important than the exact oil is regular changes. 5k - 7500 miles with synthetic oil usually keeps internals looking beautiful.
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Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
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