320si remapping on a rolling road - anyone? - BMW 3-Series (E90 E92) Forum

Rocket M3 · 02-26-2013, 01:25 PM

Has anyone on here ever had a 320si remapped on a rolling road, and if yes, with what performance gains?

caliban413 · 03-11-2013, 03:04 PM

Had mine done last month. 0% performance gain... The car would revert to its basemap every time the tuner went near the ignition timing.

I have had contact with a guy who ended up with 210hp but that took a new intake, schrick sport cams, a custom exhaust manifold with cat delete. All mods that cost big money. I have asked around a lot but the message is always the same - forget it. If you want more hp get a 335i it will be less expensive.

I still love my SI though I had hoped for some more power.

02-26-2013, 01:25 PM	#1
Rocket M3 New Member Drives: E90 320si Join Date: Oct 2012 Location: Cambs, UK Posts: 5 iTrader: (0)	320si remapping on a rolling road - anyone? Has anyone on here ever had a 320si remapped on a rolling road, and if yes, with what performance gains?
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03-11-2013, 03:04 PM	#2
caliban413 New Member Drives: 2006 E90 320SI Join Date: Feb 2011 Location: Denmark Posts: 9 iTrader: (0)	Had mine done last month. 0% performance gain... The car would revert to its basemap every time the tuner went near the ignition timing. I have had contact with a guy who ended up with 210hp but that took a new intake, schrick sport cams, a custom exhaust manifold with cat delete. All mods that cost big money. I have asked around a lot but the message is always the same - forget it. If you want more hp get a 335i it will be less expensive. I still love my SI though I had hoped for some more power.