FCPEuro's life-time replacement warranty policy made replacing the stiffening plate bolts a no-brainer for me - just replace them if you purchased them from FCPEuro! Why? You get your money back when you send in the old bolts and buy new ones from them, as per their life-time replacement terms. Note - your money back in the form of payment you purchased the new ones, as opposed to a store credit . So essentially the only cost to you for replacing the bolts is the shipping costs for sending the old ones in. Shipping is free when purchasing. Does that now settle this debate for good?

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'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M.