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Vekke · 07-31-2010, 09:34 AM

Hi,

I have 14" BMW E30 aluminium rims and they only weigth 6.3 kg a piece. Center hole 57.1 and ET fits perfecly... An the best tire size I have tried has been 175/80R14 for best fuel economy.

Anyway you should see at least that 5% change if your tires are taller. Remenber to add change to your odometer number also

.

07-31-2010, 09:34 AM	#2 (permalink)
Vekke Mechanical engineer Join Date: Jan 2009 Location: Kitee (Finland) Posts: 1,272 Siitin - '98 Seat Cordoba Vario 90 day: 58.56 mpg (US) VW Lupo 3L --> 2L - '00 VolksWagen Lupo 3L Diesel 90 day: 104.94 mpg (US) A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual 90 day: 64.64 mpg (US) Audi A4B6 Avant Niistäjä - '02 Audi A4b6 1.9tdi 96kW 3L 90 day: 54.57 mpg (US) Tourekki - '04 VW Touareg 2.5TDI R5 6 speed manual 90 day: 32.98 mpg (US) A2 1.4TDI - '03 Audi A2 1.4 TDI 90 day: 45.68 mpg (US) A2 1.4 LPG - '02 Audi A2 1.4 (75hp) 90 day: 24.67 mpg (US) Thanks: 270 Thanked 841 Times in 414 Posts	Hi, I have 14" BMW E30 aluminium rims and they only weigth 6.3 kg a piece. Center hole 57.1 and ET fits perfecly... An the best tire size I have tried has been 175/80R14 for best fuel economy. Anyway you should see at least that 5% change if your tires are taller. Remenber to add change to your odometer number also .