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M54 Carbon Reduction Pictures
M54 Carbon Reduction before and after Valvoline Restore and Protect
2018 valve cover before (last valve cover gasket job) and today after running Valvoline Restore and Protect for past 2500 miles. Engine at 237 k vs 273 k miles.
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Kevin
2001 X5 3.0i
Phoenix, AZ
Last edited by ewebby; 11-28-2025 at 11:23 PM.
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