Take a look at my residue!

YearOneOne · 01-27-2018, 06:23 PM

N55 55k miles is this a normal amount of build up?

Havocsteve · 01-27-2018, 06:49 PM

Looks normal to me. Mine were in the same condition before I got the walnut blasting done at around 90,000km mark. You can still drive around for a few more miles if needed to save for the walnut blasting as it isn't exactly the cheapest thing to do but it does help a lot. Also, you'll notice a bit of oil, I was about to buy a Catch-Can but for the N55, it really isn't needed unlike the N54 platform.

iminhell1 · 01-27-2018, 07:32 PM

If you DIY, take special care around the yellow circle. That is where the valve cover vents into the port. If you get wild shells will go up and into the vc and you'll just create more problems.

01-27-2018, 06:23 PM	#1
YearOneOne Captain 361 Rep 727 Posts Drives: 13 135i mineral grey Join Date: Jun 2016 Location: Maryland iTrader: (1)	Take a look at my residue! N55 55k miles is this a normal amount of build up? Attached Images
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01-27-2018, 06:49 PM	#2
Havocsteve Second Lieutenant 82 Rep 276 Posts Drives: 2011 E82 135i Join Date: Feb 2016 Location: Toronto, Canada iTrader: (0)	Looks normal to me. Mine were in the same condition before I got the walnut blasting done at around 90,000km mark. You can still drive around for a few more miles if needed to save for the walnut blasting as it isn't exactly the cheapest thing to do but it does help a lot. Also, you'll notice a bit of oil, I was about to buy a Catch-Can but for the N55, it really isn't needed unlike the N54 platform.
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01-27-2018, 07:32 PM	#3
iminhell1 C2H5OH 3915 Rep 2,144 Posts Drives: 2010 SG 135i auto Join Date: May 2015 Location: Darwin, MN iTrader: (1)	If you DIY, take special care around the yellow circle. That is where the valve cover vents into the port. If you get wild shells will go up and into the vc and you'll just create more problems. Attached Images
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