Quote:
Originally Posted by chylld
The problem with this is that the engine will take a long time to re-adjust itself to the stock intake. Given how much of an effect the environmental factors have on both the cars and the measuring equipment, it makes it difficult to compare times before/after intake.
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You may be suprised. A lot of owners report immediately improvements going from BMS duals to stock on the 135i. In any case the effect of the decresed intake temps will be felt immediately and as I said previously, on a NA car it will be more noticeable than FI (with intercooler).