Active Autowerke E53 X5 Performance Software Type:4.4 The Active Autowerke F-Chassis B46/B48

The Active Autowerke F-Chassis B46/B48 Signature down pipe utilizes 3-1/2 inch diameter stainless steel piping in order to provide more power

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NOTE: If this part is eliminated

An increased RPM limit (for manual applications) is another great feature the Active Autowerke E36 328i software provides owners

Active Autowerke E53 X5 Performance Software Type:4.4 The Active Autowerke F-Chassis B46/B48***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