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Why a BMW 135i Makes a Great Tuner Car

2016-02-10 by David

BMW 135i

A twin-turbo straight-six ​makes serious power with the right mods.

By Chris Perkins - Road & Track

Many car enthusiasts were upset when BMW added turbochargers to its straight-sixes, claiming their famously linear power delivery would be compromised. In their complaints, they ignored one of the greatest benefits to turbocharging: Tunability.

You can do a lot with BMW's N54 twin-turbo straight-six as Matt Farah finds out in this latest One Take video, which features a 135i that makes around 400 hp. All it takes to make this kind of power is a handful of bolt-on parts, E40 fuel, a JB4 tune and an ECU flash. Not a lot of work to make around 100 more horsepower than stock. 

This car's owner upgraded the suspension with Koni Yellow shocks and H&R springs and fit a set of Michelin Pilot Super Sports to cope with the extra power. With this level of easy upgradability, tuners should give serious consideration to the 135i. In stock form, the 1 Series is one of the best modern BMWs, but with just a little work, it's good enough to make an M car sweat.