Customer Review: BMW 335XI (N54) – Incredible gains with E50 – Intake and our custom tuning – Gains of 133awhp/168awtq from stock
By PTF
Sharing another customer review. This time from an almost stock BMW 335XI running an E50 octane blend (50% ethanol 50% 93 octane gas). The only modification to the car is an AFE Dual Cone Intake and our custom tuning. Thank you @vwgrk for giving us the opportunity. =========== I recently went to a dyno to…Read more Customer Review: BMW 335XI (N54) – Incredible gains with E50 – Intake and our custom tuning – Gains of 133awhp/168awtq from stock