Fluid MotorUnion Gold Wheels Fine Tuning

The following video showcases our first project car to hit the front page of a magazine. This is Gold Wheels. What looks like a mild-mannered BMW E38 7-series is a completely different beast once the key is turned. The secret lies under the hood, where Fluid MotorUnion has shoehorned the S62 V8 motor from an E39 M5. In terms of engine modifications, the main power-adders are Fluid MotorUnion custom headers and full exhaust, a FMU custom velocity stack setup and our custom dyno tune. Here’s the ful