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Originally Posted by Simply Red
also if any of you explore tunes - though more expensive around 2600 or there abouts - the Cobb Access port is awesome and feels more stock than Burgers JB4 - now Burger MS JB4 device absolutely will give you more pull - but the smoothness of the Cobb - is what I prefer - because it's still sickening fast. See here:
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That BMW has more than just a tune.
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BMW 335i JB4-G5,RB Turbo, BMS DCI, Cp-e downpipes, ETS intercooler, ER chargepipe, Synapse BOV, Methanol injection
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Also, tunes aren't exclusive to either device. The Cobb Accessport just allows a person to go in and change the factory settings for the ECU. You can control the wastegate, timing, etc. Factory settings are done for max fuel economy and reliability.