Maintaining the impressive performance of the B58 Gen 1 (B58B30M0) engine in your F32 coupe, F33 convertible, or F36 Gran Coupe requires a rigorous approach to routine maintenance. Whether your 440i is running standard boost or pushing higher output, ensuring clean fluids and perfect ignition is non-negotiable. Simplify your garage schedule with our comprehensive Service Kits and premium OEM replacements, utilizing Genuine BMW service parts alongside high-flow Service Filters to keep your engine oil and cabin air completely free of contaminants. To guarantee a strong spark under heavy load and prevent high-rpm misfires, we supply high-performance replacement Spark Plugs matched perfectly to the 3.0-litre turbocharged powertrain.