Just a clean valve! 🔎🔎 Making sure this E90 N54 335i is running properly by performing a walnut blast! A walnut blast is a procedure done to clean your intake valves from caked up carbon! Eventually, all the carbon build up in your valves will suffocate your engine resulting in a decrease in fuel efficiency and power! Bad carbon build up is commonly found on ALL N54 engines. 🤮 Noticed a delay and a drop in your MPG’S? Please contact us now to schedule your walnut blast today! Let your engine breathe again like new! 🤩 (800) 438-2808