Keeping the 3.0-litre turbocharged N55 engine in your F30 BMW 335i running at its absolute best demands a strict maintenance routine. Whether you are running factory boost or pushing your 306bhp saloon further, starting with fresh fluids and filters is non-negotiable. Simplify your maintenance 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 clean spark under load and prevent misfires across the rev range, we supply high-performance replacement Spark Plugs matched perfectly to the N55 powertrain.