Quote:
Originally Posted by afadeev
I have one of those, but would not recommend it to anyone who actually needs to rely to that extra scooter engine range on regular basis.
Even when coded to full 2.5G capacity (BMW restricts it to 1.9G for US market), it still only gets you ~55 extra miles at highway speeds (~80 miles on back roads - i3 consumption sky-rockets on the highway).
Then, you either run out of gas and there are gas stations conveniently spaced 45 minutes /55 miles apart ... or you stop even sooner and more frequently ... or you carry a 2.5G spare gas canister with you. And it's unpleasantly noisy when it kicks in.
None of the above alternatives are either convenient or desirable.
As a one-off "emergency range extender", or insurance to max out full battery range, it works well. Beyond that, it's not very practical.
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Ah so it's strictly meant for the city then.