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My new (to me) e60 M5: Tire Tracks on the soul

63K views 185 replies 19 participants last post by  gmak  
#1 · (Edited)
A month ago, I purchased a 2006 M5. I will get around to posting pictures but I've been rather busy. I'm going to jump ahead to an oil change yesterday. There are enough DIYs around - including that recent video by Baneof Thoth - or whomever, so this is just a basic description of some differences.

1. I followed the BMW bulletin that suggests taking overfill oil out of the old filter; then getting a new reading (at operating temperature); and only when it is 'between min and max' to begin the oil change.

2. I used liqui-moly 10W60 - because.... Before the purists mount their Quixotic steeds, my oil changes are at max 3000km due to the fact that I like to put in lighter 'W' for winter, and that I have too many cars right now (i.e. low mileage).

3. I used a Mann filter because that is what i use on my other BMWs, and because it's not really going to make any difference over 3000km, which quality filter I use.

4. I ran the car back up to operating temperature after step 1, at idle, in order for the dry sump operation to get all the oil where it can drain.

5. I removed the main oil drain plug, and later replaced it with the Fujimoto short stem valve. I kept the plug against future disaster.

6. I drained the oil filter again, and then removed the oil filter casing - there was still oil in there and I have a new stain on my driveway. This was after 2 drains. Lesson learned - expect oil in the filter casing in the future.

7. The BMW bulletin says that 9.3 liters overfills the car, so I added 8 liters - 200 - 300 ml in the oil filter cover and the rest in the engine including 450 ml of MOS2 (because I like it. If it's good enough for fighter planes..).

8. After adding the 8 liters, I started the car and let it idle up to operating temperature, where like magic, it told me that I was at the min range.

9. I then added 900 ml more (the bulletin say 800, but whoopsy on the measurement). I remeasured the oil level at 0.9 above min. mission accomplished.


I keep the oil filter in a plastic sealable bag and sawed it apart today. This is what I found (spoiler alert: Nothing really).

The first picture shows some back spots in one section. I'm assuming the they are carbon of some kind. The second picture shows two spots that shone in the light - I'm assuming metal.

That's one clean filter, but I don't know when the oil was last changed. I'm assuming last year and that the PO didn't change this year due to the intent to sell (expect the worst and you;re never disappointed).

This thread will be a running commentary on my adventure with the wonderful car, my triumphs, my despair, and my (likely) stupidity at times. Cheers.


p.s. Homework assignment: Does anyone know for sure if the majority of those rod bearing failures - especially the early ones, were mainly in tuned or modified vehicles - or if it's really just bearing roulette at this stage (i.e. no identifying factors to help reduce the probabilities for one's own vehicle)?
 

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#173 ·
I tell you. It's been a few weeks of trouble-free driving. I can't sleep, worrying about what she's going to hit me with next. :rofl Actually, it's been a pleasure with nice thrust, smooth shifts, great handling. Gotta love the heads-up display and active bolsters. Should be on every car.

I have the FAMS tune and the Euro tune for the SMG. Sweet. I keep it in manual all the time and it's such a pleasure to drive. The PO put H&R springs on it - looks good, but I don't like how low the front spoiler/ diffuser now sits. It's very each to scrape. I still have the old springs - I think that I'll put them back in when I eventually do the shocks all around.

How many miles until those puppies need replacing? I'm at 67K miles right now. Are the BMW shocks good for 100K?
 
#178 ·
Been a while since I've been here. Too many unsettling events IRL. I did have an adventure with the transmission that turned out to be the Hydraulic pump motor. I let Autovation do the work since I was otherwise distracted. Other than that, it sits for winter with an intelligent battery tender - same one I used last year.
 
#180 · (Edited)
Yes, change the oil.

even a half hour trip or more in winter driving will not burn off of combustion by products vapors.

could never get my oil temps to 210 degrees or better yet 220+ till i completely blocked off oil cooler.

That is when i finally stopped seeing traces of water in bottom of oil drain pan during my winter 1000 mile oil changes.

The hotter one gets the 10w-60 oil the smoother the s85 runs as well as better gas mileage.
 
#182 ·
Be careful with the K&P StSt oil filter.
The claim it has higher flow rate due to initial lower resistance to oil flow is misleading since it has no depth filtration capability, all impurities collect on the surface thus oil flow restriction increases much more quickly over time compared to paper element.
It is a not a filter to leave in car without regular inspection on high mile oil change intervals.

Good call on bypass filter, it eliminates problem of water in oil, due highly absorbent media.

But again if motor has condensation issues due to oil not reaching 110+ C temps, it will need replacement much sooner than advertised.