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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 02-19-2013, 08:03 AM   #21
jaswild
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Thank you for posting those articles genuity
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Old 02-19-2013, 01:46 PM   #22
Riverbmr3
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the only time my car had regular gas was the hurricane time when we are running out of gas, my car felt like don't want to run, other than that, its all 93 octane since i bought it in 2003.
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Old 02-19-2013, 01:57 PM   #23
kaboo0m
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you're fine. our engines have knock sensor that will retard the timing when using lower octane rating
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Old 02-20-2013, 11:52 AM   #24
Krystian_E46
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When gas was less expensive I used 93, In my 330ci I have used only 87 and car runs the same as if I used 89 or 93 yeah I kno it's not recommend but when gas is almost 5$ for premium yeah forget about that. On the other hand I only use 93 in my boosted ZHP, and also used 93 in my M3. To me it's just a preference or if you could afford it.
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