Chenged my spark plugs last week

[rennagata92]

I bought some Bosch +4's and put them in last week. I think my mileage did get better. Imma calculate how much better my mileage got when I get some gas this weekend. But I was wondering if any of you guy's cars have innacurate fuel gauges. I turn my car on after I stopped and when I got back in it told me I was low on gas and the orange light turned on. Then I was driving and it suddenly told me I have 1/4 tank left. Now I think it's telling me I have an 1/8 of a gallon left. Do you guys have the same problem?

[David325e]

Yea. Has been worse with some old bimmers than others for me. Think some of it is to do with amount of dirt in the tank. Do the math every time you fill up and watch the mileage. FYI not running the tank so low will 1) eliminate most of the worry, 2) make your fuel pump live longer.

[Stir Fry A Lot]

It's a characteristic of older BMWs.

[russiankid]

Fuel sending unit.

[rennagata92]

It's a characteristic of older BMWs.

yeah ive come to notice that these BMWs have alot of character


Fuel sending unit.

is that something that expensive or difficult to replace?

[uk525td]

yer, when i turn mine on if hte fuel is under 1/4 it will read 1/4 and after about 3 minutes it will display the correct amount

[Dumpy525i]

i love watching the range go from like 400 ill floor it on the highway then i have 189.. 10 minutes later i have 398. haha