I know what it sounds like, but owners claimed that they made a massive difference on 6 pot cars (320i, 325i and 335i converted). I think there were a few claiming gains of 10hp odd on the rolling road, improved "drivability" (particularly on Autos) and even improved fuel economy. I know, it sounds like the standard marketing gruff you read for ebay chips that don't do anything useful, but everyone is addiment that they (ones provided by reputable sellers obviously) work well. I only ever had asthmatic 8v cars so didn't go down that route myself.
[TW]Fox;17589858 said:
Also, looking back on when you were 'into E30 BMW's' when you are 19 is a bit lol, if you were 39 sure, but.. there isnt much looking back that can be done really is there
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