12-26-2019, 02:58 PM | #23 | ||
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12-26-2019, 03:05 PM | #24 |
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Just be aware of the specific lubricants unique to each drivetrain component.
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B&O, parking assistant, executive package, 3rd row seats and the manual rear shades are the ONLY items we didn't order. Having everything else makes our F15d a NICE ride.
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12-26-2019, 04:05 PM | #25 | |
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I read on a post someone used Front: Hypoid Axele Oil G2 (83-22-2-413–511) 2 bottles of 500ML Rear: BMW Final-Drive Gear Oil Carbon Mod SAE 75W-85 ( 83-12-0-445-832) 2 bottles of 500ML |
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12-26-2019, 04:16 PM | #26 | |||
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12-26-2019, 05:26 PM | #27 |
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I just buy the BMW oil and I change every 5k.
I've done the oil reports and they said I go much longer intervals than that, but I don't mind this small expense.
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12-26-2019, 07:53 PM | #28 |
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I saw your reply on a post about differential fluid. Did you get to change it yourself? Which type of f15 do you have? I have a luxury line and I'm trying to figure out which fluid is for my f15.
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12-27-2019, 05:56 AM | #29 |
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That redneck that claims he is sophisticated suggested I reach out to Liqui Moly directly and that's just what I did.
The nice chap I spoke to recommended Liechtlauf High Tech. He didn't hesitate at all. He said feedback has been very good. I asked specifically about Molygen and he said that was good too. The Molygen isn't approved yet by BMW so perhaps that was what was holding him back. Molygen doesn't need any additives. If you go the Leichtlauf route and are willing to use an additive, he recommended the use of Cera Tec (https://products.liqui-moly.us/additives/cera-tec.html). If y'all have any questions, you should call them. I got a call back 25 minutes after I left a message. That is pretty impressive in my opinion. Especially considering it was some nobody calling such as myself and will never be a volume buyer of their products. Liqui Moly has their own brand of transmission fluid, diff fluid, etc. Not sure about the others but I am going to stick with OEM or ZF fluid on the transmission. Hope others find this useful/helpful! |
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12-27-2019, 07:12 AM | #30 | |
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Sounds like they reccomended what I have been using. Can't speak high-enough about the Liechtlauf High Tech 5-40 oil. I have used the Cera-tec also. It's a once a 50k thing vs the Mos2 additive is every oil change (don't use both together). The Mos2 IMHO is something you notice right away. I swear it makes your engine feel like it runs smoother, others have reported the same. Could be placebo but when I don't add it, I notice it. I think both additives are excellent and if you use the Cera-tec, I highly recommend you poor it in while friends are watching, just for the expression on their face. It looks like orange juice that has turned lol Last edited by Sophisticated Redneck; 12-27-2019 at 07:22 AM.. |
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12-27-2019, 12:55 PM | #31 | |
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Not enough. If you go this route buy the oil change kit they sell - has everything you'll need. FWIW my car took barely over 6 liters. https://www.fcpeuro.com/products/bmw...427566327kt-lm
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12-27-2019, 01:17 PM | #32 | ||
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This is what I was talking about. https://www.fcpeuro.com/products/bmw...id-83220397244 |
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12-28-2019, 08:50 AM | #33 |
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No not the same! Didn't realize you were asking about transfer oil.
I don't know exact capacity. Here's TIS info - a little confusing. Says 1 liter, then .6 and .7: https://www.newtis.info/tisv2/a/en/f...r-box/KMGlEPS6
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12-29-2019, 09:58 AM | #35 | |
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I didn't get this message on either of our 50Is (x5 and x6), but they're definitely burning oil, the idrive read between max and full before I changed oil a few days ago in my wife's 2015 x5 50i after 7000 miles of driving since the last oil change at the dealer. |
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12-29-2019, 10:07 AM | #36 | ||
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12-29-2019, 10:24 AM | #37 | |
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The high temps the N63TU runs at, along with the heat & sound protection, reflecting and trapping heat in the valve covers, and being a hot vee design, creates a perfect storm of cooking the hell out of the seals, causing premature heat oxidation and failure long before they normally would. They improved it on the TU but just enough to last past warranty periods. Last edited by Sophisticated Redneck; 12-29-2019 at 10:43 AM.. |
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12-29-2019, 10:43 AM | #38 | |
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Last edited by ponytuning; 12-29-2019 at 11:11 AM.. |
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12-29-2019, 01:27 PM | #39 |
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Ya it's not bad, just will take about 40 hours to do. I am in the middle of it now on my N63, the TU is just a bit more complex with the adjustable valve lift equipment but still very doable for anyone who is decent with a wrench. I rented the tools off eBay.
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12-29-2019, 01:50 PM | #40 | |
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12-29-2019, 04:35 PM | #41 |
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I'll post back after I am done, its turned out to be more then just a valve guide seal replacement though...(btw I have a 150K on the engine (50K in one year alone) when I saw the condition of the valves on a borescope, I had to pull the heads. (I dont have a lift so had to pull the heads in car, extra fun)
The carbon buildup on the pistons was like nothing I have ever seen before, as well as on the exhaust valves and they were pitted badly from burning so much oil (previous owner used crap oil and turbo oil return lines were clogged, when I got it was burning a quart every 100, yes 100 miles...amazing it still ran as good as it did. After I fixed the turbo lines it still was burning a quart every 700 miles, made a custom catch-can and adjusted the CCV pressure got me to a quart every 1500 but only so much can be done with bad guide seals. Now I am paying for the sins of running it for so long burning oil. I decided to port and polish everything while I was in there....have about another week to go before I am done...Before and after of the intake ports below, should help a little. Last edited by Sophisticated Redneck; 12-29-2019 at 04:43 PM.. |
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12-29-2019, 08:40 PM | #42 | |
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12-30-2019, 12:38 AM | #43 | |
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I don't have a lift (wish I did) so had no choice but to pull the heads while in the truck so I could lap the exhaust valves due to the pitting. Don't reccomend it lol. My case is an extreme example, most will only have to do the valve guide seals. It will take you about 40 hours from start to finish for the first timer. |
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01-15-2020, 09:11 AM | #44 | ||
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