smell

Year/Make/Model: 2008 Speed3 Mileage: 170K chassis / 10K motor Location: AZ Concern: Exhaust soot on back of engine, underneath manifold & turbo DTC's: None Modifications: BNR S3 / EGR delete (pertinent mods) ECU/Tuning Software: Accessport V3 Tuner: DramaTuned Is the concern intermittent? No...