Hello all, I have a 86 325e with a ebay chip, cat back ansa exhaust and 3.25 LSD diff, the car runs a bit rich (can smell it in the oil). I was wondering what kind of gains if any would a I manifold and TB swap with a intake would give? I have heard some people saying it will lose torque and not gain much power or not lose torque and have a better top end? What's the real deal here, has anyone actually done it?
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325e with I manifold and TB opinions.
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