ECU Tune for N52 E90/E92 328i, E60 528i Available from OE Tuning, $400 + 15whp
OE Tuning has a canned flash available for $400 for the N52. This motor does not get much attention or love so it is nice to see an affordable tune offering great gains available. This is simply an off the shelf tune, not a custom dyno tune. A custom dyno tune is also available of course but for a much higher cost. The car is completely stock other than the tune and the gains are on 91 octane. The speed limiter is also removed.