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Old 11-17-2012, 07:06 PM
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dunderhi dunderhi is offline
Next car: '18 AMG GT Vert
Location: MD
Join Date: Dec 2006
Posts: 6,317
Mein Auto: 13 X5M, 15 M6, 15 328dxt
I consistently get 2 mpgs better fuel economy from diesel sold by Highs Dairy Markets (Citgo & Shell gas) versus any other diesel station in my area including Shell stations owned by different chains. I always assumed it was a difference in Cetane, but I'm open to hear a different explanation.

2015 M6 Drophead Coupé
2015 328xd Estate
2013 X5M Sport Utility Vehicle
2013 650xi 2 Door Fastback Saloon (ret)
2011 Dinan 5 Saloon (ret)
2011 335d Saloon (ret)

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