It seemed that Tesla did a bit of planning ahead with their Model S as it was recently announced that the car was designed with the ability to have its battery swapped out from the get go.

What’s even better is the design allows for a very fast swap so a potential driver would be able to do it in less than 5-minutes. Just imagine, you’re cruising along and your battery runs out of juice but no worries because you have another fully juiced up battery in the trunk that you can swap out in under 5 minutes.

Of course, this also means that Tesla can sell different batteries for the Tesla Model S that could potentially make for a cheaper purchase price tag while still leaving room for a hassle free upgrade.

via autoblog

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The BMW Z4 isn’t a slow car by any means, considering it has a full 306HP stock, but that doesn’t mean there isn’t room for improvement. BMW has yet to announce any tuning kits for the car and has kept generally quiet about whatever they have cookin’ in their labs.

Luckily, a tuning firm by the name of Manhart Racing has managed to give Z4 owners exactly what they are looking for, a boost of 244HP. They have managed this by dropping a reworked V10 engine, found in BMW models such as the M5 and M6, into the Z4 effectively giving it a huge boost. All of this additional power will give the Z4 a 0 – 62 mph sprint of just 3.9 seconds in addition to getting the 150MPh electronic speed limiter removed.

Couple all of this with an M5 6-speed manual transmission and differential and you have yourself the baddest BMW Z4 on the road.

via wcf

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