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| 11-05-2018, 12:20 PM | #1 |
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Rep 13
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Tuner and Dyno recommendation in Northern Virginia/DC area. Looking for a shop for my 2011 550i/91K miles. Looking at upgrading to Alpina turbos, catless dp and intake with JB4-A. Anything else I should include. Already have muffler deleted exhaust. Also looking for advice to improve on the known issues (valve stem seals, turbo bearing seals, rear main seal, coolant lines). Perhaps remove the engine and replace with a Chevy LS motor 🤪
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