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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 06-04-2010, 12:19 AM   #1
Estiee
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Question Advancing timing on 318i... Please help.

Hi Guys.

I have a nugget 318i, and in all of my cars i use 98RON premium fuel, as its better for the engine in long term and gets a slightly better mileage , so thought why not advance timing for maximum benefit and use all of the 98RON that i pour in there weekly.

1) Just wondering, how well do these engines respond to advance timing?

2) Do these engines have knock sensor which will throw out the advancing ?

3) How do i advance timing on these engines?

Thanks in advance guys.
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Old 06-05-2010, 01:30 AM   #2
Estiee
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anyone?....
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Old 06-05-2010, 02:08 AM   #3
kai-
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pretty sure the ecu adjusts timing based on the fuel you use. you could probably advance it further....
best guess would be to get it chipped

a 318 is a 318 short of turbo/super charging there is really no gains to be had
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Old 06-05-2010, 08:57 AM   #4
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Quote:
Originally Posted by Estiee View Post
Hi Guys.

I have a nugget 318i, and in all of my cars i use 98RON premium fuel, as its better for the engine in long term and gets a slightly better mileage , so thought why not advance timing for maximum benefit and use all of the 98RON that i pour in there weekly.

1) Just wondering, how well do these engines respond to advance timing?

2) Do these engines have knock sensor which will throw out the advancing ?

3) How do i advance timing on these engines?

Thanks in advance guys.
1. Pretty good, any modern engine advances timing according to fuel, temp etc.
2. yes
3. You can't. Only through software. Question is why? No need to mess with this if you are using RON98
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