Active Autowerke E39 Performance Software - 523 Options:Add Simon4 bundle (+ $50) Trouble-free installation and a long

Trouble-free installation and a long lifespan ensure that you'll enjoy many miles of performance with your B58

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Two year limited warranty included

year-2017-make-bmw-model-550i

You Need This For Your G-body B58 Powered BMW

Active Autowerke E39 Performance Software - 523 Options:Add Simon4 bundle (+ $50) Trouble-free installation and a long***Before your order ships you MUST sign and return the Off Road Use Only Waiver available HERE. Please email, fax or take a photo of the completed form. You can email it to your sales rep or to info@activeautowerke. com and you can fax it to us at (305) 253 8921*** Active Autowerke offers unparalleled performance software. Through careful remapping of the factory BMW DME tables, various elements such as ignition timing, fuel delivery, and part