BMW 1-Series Forum (F20) 135i - > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > Steinbauer tuning box
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      10-23-2018, 09:35 AM   #1
United Kingdom

Drives: Bmw 120d msport
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Steinbauer tuning box

Hello I am thinking of purchasing a Steinbauer box for my f20 184 . I am looking to see if anyone has any experience with this company , and if the claim of a 20% increase is actually true. Thanks in advance.
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