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      10-19-2011, 09:29 PM   #16
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Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

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Originally Posted by elp_jc View Post
Turbo lag is more of a problem the smaller the engine and higher the revs. With a relatively low revving 4.4L (and above) V8, it's hardly an issue. On a 2L I4 is a different story.
I disagree. Lag is lag. Sure lag can be minimized with smaller turbos on a larger engine, variable vane geometry (or other more exotic techniques) or worsened with larger turbos on a smaller engine, however, you can always feel the delay in throttle response and that is the lag. It hurts performance and feel and may need driving adjustments to fully work around it when driving at a 9/10 or 10/10 pace. Also, as pointed out above the turbo lag on the M5 has been reported as quite noticeable.
E92 M3 | Space Gray on Fox Red | M-DCT | CF Roof | RAC RG63 Wheels | Brembo 380mm BBK |
| Vorsteiner Ti Exhaust | Matte Black Grilles/Side Gills/Rear Emblem/Mirrors |
| Alekshop Back up Camera | GP Thunders | BMW Aluminum Pedals | Elite Angels |
| XPEL Full Front Wrap | Hardwired V1 | Interior Xenon Light Kit |