Gunner 0 Report post Posted September 5, 2009 (edited) I bought a 1994 bmw 320 e36 bout 2 months ago and found out that it seems to be using way too much petrol. its a 6 cylinder 2.0l car but im only getting 4-5km per litre... thats with unleaded 95. i checked the spark plugs and saw that they were looked a bit funny. see picture do i need to replace those(all 6 of em look like this)? and what else could be causing my bmw to use so much petrol? Edited September 5, 2009 by BrentonW Quote Share this post Link to post Share on other sites
charles28 136 Report post Posted September 5, 2009 That sounds like excessive fuel usage, however is the air filter clean? is the car warming up to normal operating temp? (Middle position on Temp Gauge) Thermostats that are faulty stop this happening which will increase fuel usage due to the car never really warming up to normal temp. I used to have an E36 320i auto, I did find it a bit heavy on fuel, but more like 12-13L/100k, what your suggesting is 20L/100k Quote Share this post Link to post Share on other sites
Gunner 0 Report post Posted September 5, 2009 That sounds like excessive fuel usage, however is the air filter clean? is the car warming up to normal operating temp? (Middle position on Temp Gauge) Thermostats that are faulty stop this happening which will increase fuel usage due to the car never really warming up to normal temp. I used to have an E36 320i auto, I did find it a bit heavy on fuel, but more like 12-13L/100k, what your suggesting is 20L/100k well i looked check the theromostat on da dash it gets to half way after a drive but i just read on some of service records from previous owner that the thermo stat was faulty.... so that cud be causing the problem since it mite be giving me a faulty reading.... is this expensive to fix? and i took out the filter and it looks pretty clean to me.. Quote Share this post Link to post Share on other sites
