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Mk5 General Area / Re: K04 Conversion - Do you ever regret it? How is it for daily driving?
« Last post by ZoliWorks on May 04, 2024, 05:55:49 pm »It's all good in the hood. Just pull the N75 plug and you'll be restricted to 8 psi of boost and then fit the K04 injectors at the mapping place before the remap. Probably makes more sense to fit the K04 injectors at home though and save on labour costs, but either way, it's drivable on K03 or K04 squirters before the mapping.
The main issue is whether or not the mapper can work around the rail pressure sensor. Some insist on using the K04 sensor, and some can rescale the K03 sensor.
No plans on fitting the upgraded injectors, valves or fuel pump just yet. This time around I'm simply adjusting the map to accommodate for the K04. In the coming months I'll be fitting all necessary fueling parts to push the car up to above 300hp with my target being 340hp, keeping torque under control cause of BWA rods.