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Discussion Starter · #1 ·
I am looking at getting 325i Remapped I know it has the same engine as the 330i anyone know of a tuning specialist near Gloucester who can achieve good power gains I have been searching and am getting result back of 12+ house power increase.

Thank you

Sam.
 

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As it’s a normally aspirated engine I’m afraid the power gains are minimal. I believe there are ways you can get closer to 330i power but to be honest it would be cheaper to sell it and buy a 330i.

Somebody will have a definitive answer for you.
 

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As it’s a normally aspirated engine I’m afraid the power gains are minimal. I believe there are ways you can get closer to 330i power but to be honest it would be cheaper to sell it and buy a 330i.

Somebody will have a definitive answer for you.
+1

You'll be hard-pressed to notice a 5% increase. Unless you're prepared to go for the 3-stage inlet manifold from the 330i, plus a re-map (not much change from £1500) then I wouldn't bother...
 

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This is what we normally see on our dyno dynamics rolling road on a standard E90 325i (3.0i engine)from our remap

If you fit the 330i e90 intake manifold then you will be looking at an extra 45-55bhp after the remap

BW chiptune
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