Bigger injectors will just add more fuel, so unless you add more air, you will just run rich and lose power.

You will get optimum performance by keeping the injectors clean, or having them professionally cleaned at higher mileages but apart from that, leave well alone.

X5Girl, xxx

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Black E53 V8 on 20's, lowered, drilled discs and poly bushes, strut brace and adjustable sway bars.