New plugs added 30 extra miles!

monterey · 04-03-2017, 10:56 AM

For those that haven't changed their spark plugs recently. I just did mine and noticed a 30 mile bonus in my range. That will pay for the new plugs in no time at all. Although, the last guy left me with two broken coils, it wasn't that difficult of a job. Also noticed a much more nicer throttle response afterwards as well.

New2Roundel · 04-03-2017, 02:06 PM

I did my plugs 3 weeks ago and didn't notice much of a difference--either to MPG or throttle response. How long did you go between plug changes? 1 week after I replaced the plugs and several days after changing the oil, I went on a 400 mile trip with the car. The mileage is still garbage. Car drives fine, mind you. What uses a half tank of gas in my SOs previous gen Hyundai Tucson uses almost an entire tank in the BMW and I'm not going any faster in the BMW.

R3dliner · 04-03-2017, 02:38 PM

Quote:

Originally Posted by New2Roundel

I did my plugs 3 weeks ago and didn't notice much of a difference--either to MPG or throttle response. How long did you go between plug changes? 1 week after I replaced the plugs and several days after changing the oil, I went on a 400 mile trip with the car. The mileage is still garbage. Car drives fine, mind you. What uses a half tank of gas in my SOs previous gen Hyundai Tucson uses almost an entire tank in the BMW and I'm not going any faster in the BMW.

This
I changed my plugs a month ago and didn't notice any increase in MPG. Car did feel smoother though and a tad bit more responsive.

monterey · 04-03-2017, 02:44 PM

Quote:

Originally Posted by New2Roundel

I did my plugs 3 weeks ago and didn't notice much of a difference--either to MPG or throttle response. How long did you go between plug changes? 1 week after I replaced the plugs and several days after changing the oil, I went on a 400 mile trip with the car. The mileage is still garbage. Car drives fine, mind you. What uses a half tank of gas in my SOs previous gen Hyundai Tucson uses almost an entire tank in the BMW and I'm not going any faster in the BMW.

I think my old plugs had 30k miles on them.

Helmsman · 04-04-2017, 11:31 AM

Quote:

Originally Posted by monterey

I think my old plugs had 30k miles on them.

Had mine changed earlier but believe BMW stat 37k miles interval.

04-03-2017, 10:56 AM	#1
monterey Major 339 Rep 1,239 Posts Drives: 2008 M3 Join Date: Mar 2016 Location: United States iTrader: (1)	New plugs added 30 extra miles! For those that haven't changed their spark plugs recently. I just did mine and noticed a 30 mile bonus in my range. That will pay for the new plugs in no time at all. Although, the last guy left me with two broken coils, it wasn't that difficult of a job. Also noticed a much more nicer throttle response afterwards as well. __________________ A job is nothing but work.
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04-03-2017, 02:06 PM	#2
New2Roundel Captain 467 Rep 804 Posts Drives: Some fun stuff Join Date: Jun 2015 Location: Philly, PA iTrader: (0) Garage List 2018 Jeep GC SRT [0.00] 1994 VW Corrado SLC [0.00] 2011 BMW M3 [0.00]	I did my plugs 3 weeks ago and didn't notice much of a difference--either to MPG or throttle response. How long did you go between plug changes? 1 week after I replaced the plugs and several days after changing the oil, I went on a 400 mile trip with the car. The mileage is still garbage. Car drives fine, mind you. What uses a half tank of gas in my SOs previous gen Hyundai Tucson uses almost an entire tank in the BMW and I'm not going any faster in the BMW.
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