BimmerGeeks recommends:

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Distributors:

bimmerconnect

55parts

twistedtuning

bimmertech

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Mobile Applications:

xHP FlashTool

Thor 

MHD Flasher

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Tuners:

MHD Tuning

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Services:

Bimmer ECU Solutions (CA, USA)

https://www.bimecu.com/

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USA:

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