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2003 E53 4.6is, titanium silver, black Nappa interior |
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
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Swapped out plugs to the NGK Ruthenium. Not sure what to expect. Getting ready to hop on the highway and open it up. No noticeable improvement in idle.
This car is newish to me a (a year this month) and I don't drive it much. The pics I posted here are from just one cylinder. I haven't ever seen this before. Loose plug? Even the coil pack was saturated. It always ran fine with no CEL. Your thoughts?
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2004 X5 4.4 Build 01/04 Alpine White on Schwarz Dakota Leather, Anthracite Headliner Xtrons Android HU, SPORT PKG, COLD WEATHER PKG(W/REAR HEATED SEATS AND HEATED STEERING WHEEL), CONVENIENCE PKG, FACTORY HITCH |
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Just had those done a few months ago. That is likely the culprit. Must have leaked inside during the repair?
Totally forgot about that. Thanks for the reminder Purplecty
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2004 X5 4.4 Build 01/04 Alpine White on Schwarz Dakota Leather, Anthracite Headliner Xtrons Android HU, SPORT PKG, COLD WEATHER PKG(W/REAR HEATED SEATS AND HEATED STEERING WHEEL), CONVENIENCE PKG, FACTORY HITCH |
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They should have been cleaned out during the repair. Clean it out really good and then check back in a month and see what it looks like. On the M62 with the plugs installed, I would spray brake cleaner in there and let it sit for a few mins and then blow it out into a wrag cuz it'll get messy and dry up the residual oil. You can also use a shop vac with a straw taped to the end to suck out all of the oil as well...
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02 Imola on Black Dinan S2 4.6iS 00 RoyalRot on Sand/Black 740i Short Sport |
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I have a great indy shop but, that is where he tends to get a little lazy. After he did the gaskets, I still had a bunch of oil on the stiffening plate that was leaving oil wherever I went. I had to take it to the DIY carwash and pressure wash it myself. No leaks or drips now! For what he charges and being a certified BMW master tech, I'll take a little time to clean on my own.
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2004 X5 4.4 Build 01/04 Alpine White on Schwarz Dakota Leather, Anthracite Headliner Xtrons Android HU, SPORT PKG, COLD WEATHER PKG(W/REAR HEATED SEATS AND HEATED STEERING WHEEL), CONVENIENCE PKG, FACTORY HITCH |
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If the hum changes in left vs right curves very likely wheel bearing. You can't tell left from right side based on which curve makes it sound better because there are four zones of race that are involved (inner, outer, and top and bottom of each). I've discovered that swapping between 255 and 235 tire will flip the race loading from inner top, outer bottom to outer top, inner bottom and can be a fantastic was to determine which wheel is at fault. It can be painfully difficult to determine which wheel is the cause. That said, if the sound only is at speed, You could just have a minor off balance that is finding a harmonic frequency of something
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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Highway test went as expected. Runs great. And I actually did notice a smoother idle.
Did the cooling system overhaul 2 weeks ago. Nailed it, too! Only had to perform the initial bleed. Didn't even have to top it off! I'm always amazed at how easy bimmers are to work on. It's like they are engineered to repair! I have worked on many, many cars in my day and I'll take a bimmer every time!
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2004 X5 4.4 Build 01/04 Alpine White on Schwarz Dakota Leather, Anthracite Headliner Xtrons Android HU, SPORT PKG, COLD WEATHER PKG(W/REAR HEATED SEATS AND HEATED STEERING WHEEL), CONVENIENCE PKG, FACTORY HITCH |
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