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      08-09-2019, 06:53 AM   #35
Ian ///M
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Drives: '17 AW M2 (DCT)
Join Date: Apr 2013
Location: VA

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Quote:
Originally Posted by babym2 View Post
why do only bmw engines require walnut blasting? all i get is bmw when i google


The N54 was notorious for carbon build up. thats not happening on the N55 until way down the line. like 100k+
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