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      04-26-2021, 09:46 PM   #61
550bye
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Drives: 2011 550i
Join Date: Dec 2018
Location: Utah

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2011 BMW 550i  [5.67]
Did it yesterday, thanks for the write up as it aided in my successful attempt as well. I was nervous about doing it myself, it sounds like a beast of a job but wasn't that bad at all. I will definitely do this on every new to me BMW that I purchase and at every 50k miles.

I added 4-1/2 liters (5 if you include the overfill) and only took a couple of hours. The intimidating part for me was ISTA, but that had to be the easier part of it. If you have not done this and you are thinking about doing it, DO IT!!!! It was almost as easy as an oil change. The hardest part was finding a the correct tool to remove and tighten the fill plug b/c of the actual spacing between the bolt and firewall/body of the car because I tried to find a torque setup locally, impossible and I ended up just going the Allen wrench route.

Thanks again Unspec for the awesome write up, I owe you a 12 pack my friend.
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2011 550i (N63)
Upgraded 51mm turbos, Heatsync Stage 3 Flash, JB4 stacked, BMS WMI, Arm Charge Pipes, Heatsync Catless DPs, X-Pipe, Res Muffler Delete, xHP Stage 3 Trans Flash, Turbosmart Diverter Valves, 3.5 TMAPs, Oil Cooler, Heatsync Front Mounted Max Cool Intakes, Walbro LPFP and e40 mix rollin on Stance SF07 9x20 w/Toyo Extensa and 10.5x20 w/Toyo R888R.
Appreciate 1
Unspec1304.00