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BMW 3-Series (E90 E92) Forum
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Oil change -- what oil to use?
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05-07-2022, 01:44 PM | #419 |
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I use the Motul Ester Sport 5W50 in my 335is and it works great. I change the oil all 8-10k kilometers(5-6k Miles). No problems since 3years with this oil.
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05-07-2022, 05:16 PM | #420 | |
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1. It is high HTHS oil with some 4.4cp. N54 needs 3.5-4cp. What you doing is creating unnecessary heat and drag. Your turbos need bit more time to spool. Basic rule if lubrication: as thin as possible, as thick as necessary. 2. Sport is only API certified, which mean Noack limit is 15%. N54 has issues with CBU and you might be contributing more than necessary. 3. BMW engines are oxidation monsters. Sport is ester based which means it has higher oxidation than street oil. Sport is good oil if you spend a lot if time at the track and when I mean a lot, I mean every weekend. Get Castrol Edge 0W40! |
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05-08-2022, 02:46 AM | #421 | |
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05-08-2022, 09:35 AM | #422 | ||
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If EU country, go LL04 oil. N engines were always LL04 in Europe. If you want thicker oil go Motul X-Clean 5W40 GEN2. It has HTHS of 3.9cp. LL04 is Low-SAPS oil and it will reduce amount of CBU on your intake valves. Not prevent it, but reduce it. |
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05-12-2022, 10:15 PM | #423 | |
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05-13-2022, 12:03 AM | #424 | ||
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Pennzoil Platinum Euro 5W40, Motul X-Cess 5W40 GEN2, Quaker State Euro 5W40 (repackaged Pennzoil) and Valvoline European Vehicle 5W40 are all better. QS Euro goes $18 for 5qt on Wal Mart web site. |
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05-18-2022, 12:54 AM | #425 | |
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01-20-2023, 09:04 AM | #426 |
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Drives: BMW E90 325i 2012 B25
Join Date: Jan 2023
Location: Indonesia
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Which oil weight should I use for N52B25 in 30 to 40 celsius tropical climate, 5W-40 enough or should i go 10W-40?
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06-06-2023, 07:51 AM | #427 |
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e90 318 performance diesel
hi all i have a 318 2.0 diesel has now done 114k looking to do a oil change and been told by a mechanic to use 10w/30 as will help due to the mileage
specs are as below SAE: 10W-30 Classifications Met: API CJ-4, CI-4 PLUS/CI-4, API SM help be appreciated |
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