02-26-2013, 05:39 AM | #45 | |
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Power's not the main purpose here (I bought a 328i not a 335i after all), but I enjoy the improved throttle response and aural qualities an exhaust system provides |
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02-26-2013, 09:54 AM | #46 | |
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When the stage 2 comes out and more power upgrades its going to be a quick 4 cylinder. Big turbo on our cars ;X
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2013 328i 6MT Bagged
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11-18-2013, 04:45 AM | #47 | |
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black tail pipe
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I got an F20 petrol and same issue, the inside & outside of exhaust is pitch black, I use Shell 95 or Vortex 95, Premium 98 causes the engine to misfire when cold so no longer using. I reckon if you drive modestly and city stop start, you get this soot or tar. Whilst the car is under warranty I would not worry much but could be fuel related as well our fuel is not comparable to Euro ones. |
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