BMW High Performance Software Tuning B46/B48 F series 230i 330i 430i 530i E46 Many of you have increased

Many of you have increased the performance of the S55 which quickly overwhelms the stock cooler leading to heat soak and higher intake air temperatures which triggers the ECU to downgrade the performance until cooler air returns

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Designed to be used at stock power levels along with highly modified engines

The Active Autowerke X Pipe system is constructed of 100% 304 brushed stainless steel and has a industry standard warranty against rust

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BMW High Performance Software Tuning B46/B48 F series 230i 330i 430i 530i E46 Many of you have increased***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*** Please NOTE that BMW dealers now have the technology to flag your vehicle as having the DME modified even if the flash has been removed and replaced with the stock tune and this may impact