325xi - economy/performance

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  1. 325xi - economy/performance 
    #1
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    e46xi's Car Details
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    If i were to put a performance chip, how much better fuel economy and performance would I get (A very rough estimate is welcome)

    Also, same question goes for using better octane gas (Such as 91 or 93) (I currently use 89 PLUS)
     
     

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    #2
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    Ferret's Car Details
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    Can anyone assist the OP with this issue ?
     
     

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    Around 13 bhp and 20nm of extra torque. you should see better MPG but it will be pedal dependent, ;hihi
     
     

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    #4
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    APtuning's Car Details
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    Quote Originally Posted by e46xi View Post
    If i were to put a performance chip, how much better fuel economy and performance would I get (A very rough estimate is welcome)

    Also, same question goes for using better octane gas (Such as 91 or 93) (I currently use 89 PLUS)
    Hi there, As your car is a 2003 model you require a remap through the diagnostic port. The gains on performance can be upto 18bhp and 22Nm torque if using better fuel. On the MPG side of things you won't really see any gains though (maybe on the highway with a steady throttle or cruise on). Petrol engines don't really lend themselves to better fuel economy i'm afraid.
    If you require a map for your car then you need to get a read from it and send it to me via email. If you Pm me I'll sort out a price for you.
     
     

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