The first upgradable targets were the engine, improved with updated electronics and of course the exhaust system, adding ¼ of the original power to the model at hand.

The BMW 550i gains in this way about 170 horses and that for a price under the threshold of $6.000, which is not too shabby when looking at it from the buyer’s perspective.

The exterior has been upgraded as well with a predictable M Sport package. The car has been painted in a Taupe matte shade with tinted lights and gloss black trims to go along with the car’s overall sporty vibe. The BMW 550i was also fitted with 20” Yido YP1 Talia rims wrapped in Michelin Pilot low profile tires all spaced out with sleek 5mm spacers.

No tuning project could be complete without proper car lowering. The BMW 550i has been swiftly lowered on new sport suspensions making it look aggressive and also giving it a nice aero feel and contributing to another substantial performance gain altogether.

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But just because they don’t have such a strong portfolio when it comes to modifying Bimmers, it doesn’t mean they don’t know what they’re doing.

In fact, there is one E70 BMW X5 build from Fostla that aims to prove just that. From a performance point of view, things are the most interesting, as the tuner managed to up the power to 650 Hp and 900 Nm of torque. This was done using a PP-Performance stage 2 kit and a new exhaust system from Akrapovic.

On the outside, things are also looking rather well. Fostla opted for a Frozen red paint job, greatly complemented by the smoked head and rear lights. New 21 inch wheels were also installed, but instead of outsourcing, Fostla just chose some for BMW, and I can’t say they were wrong to do so.

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