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Get up to 100% more flow over stock!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Know your exact ethanol content in real-time via the Fuel-It! or JB4 app on your smartphone or tablet.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Complete direct port injection kit for you N55.
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CNC-machined spacers, hardware, fuel line adapter, requires fuel injectors, chargepipe.
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Lifetime Replacement
Added fueling support for those looking to get the most from their B58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-08-2026
Lifetime Replacement
