Just did the calculations and I've been getting around 20-22.
Is this normal?
M42 MPG - What do you get?
Moderator: martauto
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cee
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1990 Sterlingsilber 318iS - 146 bhp / 192 Nm
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Touring_IOM
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Depends how you drive, where you drive and engine size and condition.
mine on quite hilly roads with stop start traffic without thinking about fuel economy hits around 25-28mpg but obviously if you thrash a 325 that is rich as fook, it's not going to get any where as near as my 318 that doesn't see the pedal to the floor.
mine on quite hilly roads with stop start traffic without thinking about fuel economy hits around 25-28mpg but obviously if you thrash a 325 that is rich as fook, it's not going to get any where as near as my 318 that doesn't see the pedal to the floor.
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cee
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As said in the title I'm talking about the M42 not a 325.
This is motorway mielage - sorry forgot to mention!
This is motorway mielage - sorry forgot to mention!

1990 Sterlingsilber 318iS - 146 bhp / 192 Nm
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darkchild
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Nope. You should be getting a lot better than that from motorway driving - on a run you should be getting high 30s. I used to get 35mpg from my old M40 316i and the M42 is typically a few mpg better.cee wrote:Just did the calculations and I've been getting around 20-22.
Is this normal?
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andyp
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cee wrote:As said in the title I'm talking about the M42 not a 325.
This is motorway mielage - sorry forgot to mention!
ive had a few of these and on the motorway would get around 35 mpg
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Kedge
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Mine was comfortably into the 30s cruising at 70-80 MPH.
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Jhonno
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Used to get 35mpg on the weekly commute in mine..
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cee
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Hmm this is what I thought. I'll see how it does after a service and tune up. I think it's running a tad rich which may be part of the problem!

1990 Sterlingsilber 318iS - 146 bhp / 192 Nm
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pacerpete
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Surely the only reason to suffer a wheezy thrashy IS is the miserly fuel consumption ? My 840 gets better mpg than that !
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asmith88
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easily get 35 in mine, usually 37ish, to be fair it dosent seem to fluctuate much wether i drive hard or easy, never lower than 32/33
1990 brilliant red 318 is
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Andyboy
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The most I've ever had from mine(318Ti Compact) tank to tank is 42 mpg - 70 mpg motorway cruise and pottering around the Highlands. Normally get about 35-36 average.
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bmw9818
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where does your temp gauge sit at?
im getting around 23 in a 316i, about 27 on the freeway, just check your plugs to see if its running rich,
im getting around 23 in a 316i, about 27 on the freeway, just check your plugs to see if its running rich,
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cee
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As said previously it is running rish - was a temporary fix that I need to resolve, but it shouldn't be losing me 10mpg surely?bmw9818 wrote:where does your temp gauge sit at?
im getting around 23 in a 316i, about 27 on the freeway, just check your plugs to see if its running rich,
Temp sits just below half way on the gauge

1990 Sterlingsilber 318iS - 146 bhp / 192 Nm


