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Redline Oil & Oxygen Sensors
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12-04-2014, 08:48 PM | #1 |
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Redline Oil & Oxygen Sensors
Did a search for this already and found limited information.
I am thinking about using Redline 5w40 OR Motul 8100 X-Cess 5w40 for my next oil change. I've read a lot about how the ester of the Redline oil and the high zinc contents ruin oxygen sensors. Anyone else have experience with this? I know a lot of people out there use this oil so I want to get a poll on if its affected your sensors. Thanks. |
12-11-2014, 01:16 PM | #2 |
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Bump. Still wondering. Can't find any info online.
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12-11-2014, 03:27 PM | #3 |
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12-12-2014, 11:02 AM | #5 |
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OP-would you please post if you find an answer to your question. I'm going to switch from bmw oil to either of those two (RL 5/30) at my next OC, probably the Motul since it's LL01
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12-13-2014, 11:42 AM | #6 |
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Why bother? Best case your engine might last 356k miles instead of 350k using bmw's recommended oil.... Or it might only last 150k on redline. Why pay more for potentially less longevity? These cars aren't having oil related problems with recommended oils and drain intervals. Just don't see the point in fixing something that's not broken. But good luck with whatever you decide.
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12-16-2014, 06:35 AM | #7 | |
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12-16-2014, 06:36 AM | #8 | |
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12-16-2014, 10:21 AM | #9 | |
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12-16-2014, 10:39 AM | #10 | |
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12-18-2014, 09:46 PM | #11 |
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Interesting, first I'd heard of the n54 having rod bearing issues. Any chance they're similar to the issues with the S65? (Clearances being overly tight according to some)
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12-19-2014, 07:07 AM | #12 | |
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I have 3 current theories (although I'm always coming up with different ones) 1. BMW's extended oil change interval is at fault 2. Something to do with the cam bearing ledges. (I have to read more about this one as I'm not actually sure if that could affect a rod bearing somehow). 3. Leaky injectors causing fuel to get into the oil and compromising its lubricating ability. Like I said, these are all just theories without much to back them, so if anyone wants to comment on them feel free.
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12-19-2014, 10:17 PM | #13 |
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Direct Injection Twin Turbo
DI Turbo engines run at higher temps, are hard on seals and bake oil particulate on intake valves ~ all of which are supported by the superiority of the POEsters found in type V oils like Redline . The NOACK value of 6% alone should be enticing enough get your attention after you see your N54 / N55 intake valves after 50k. They were a PITA to clean - so bring on the OCC / RB PCV & Redline 5W-30 to support a cleaner engine, lower oil temps, seal swell in my older engine, turbo spool & lag support.
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12-20-2014, 04:37 PM | #14 | |
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12-21-2014, 09:20 AM | #15 |
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Rl 5w40 is too thick at start up, esp for cold weathers. Think its about 97cp at 40c, atleast 20cp more than other 0w40 and 30wt oils. Even at 100c its thicker. If you want to use Rl 5w30 is better.
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12-21-2014, 02:39 PM | #16 | |
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12-22-2014, 03:13 AM | #17 |
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Thank you for the clarification. I will use RL 5w30 if I do go that route. Seems like the consensus is that the oxygen sensors are not getting messed up by using RL, correct? Nobody who has used it for continuous oil changes for ~ 10k miles + has experienced oxygen sensor failure?
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