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08-14-2014, 09:27 AM | #1 |
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N54 and N54T difference?
What is the difference between the N54 and N54T engine? Or in case i have misunderstood something, the difference between 135i and 1M engine.
Is it only an ECU difference, or is it more substantial? |
08-14-2014, 09:48 AM | #2 |
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Better free flowing downpipes, ECU and not sure but possible better cooling.
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08-14-2014, 10:08 AM | #3 |
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08-14-2014, 10:37 AM | #5 |
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08-22-2014, 06:20 PM | #6 |
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The N54T in the Z4 35is and the N54T in the 1M are not entirely the same. The N54T in the Z4 is just a N54 but with different ECU software (higher hp + overboost). The N54T in the 1M uses yet another type of software, for instance it has an M-button-activated map available. In the Z4 you "just" get the dynamic driving switch which changes the throttle response but not the engine response. You need to install tuning software to get the M-button-like throttle response, but then it becomes "sensitive" all of the time, because there is no button to deactivate it.
Finally the 1M has an extra water aux cooler as well as race cats instead of regular cats installed in the down-pipes. I believe it was mentioned in the 1M brochure as well. |
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08-25-2014, 10:52 AM | #7 |
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Thanks exactly what i was looking for.
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08-26-2014, 05:54 AM | #8 | |
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Quote:
Saw a 1m, 135i and z4 35i and 335i side by side Z4 has accessories mounted completely differently, different hard piping etc |
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