problem with top end - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 10-11-2007, 05:25 AM
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problem with top end

My 325i when I bought it reved 6700 rpm and ran into the redline in 5th but since I changed the wheels to 17inch it is faster off the mark but doesnt redline in 5th any more so can I up my feul pressure to get it to that point agen with 17's on??

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#2 (permalink) Old 10-11-2007, 09:45 AM
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fuel pressure has nothing to do with your problem, the problem is the added weight and rolling resistance from the new wheels...

what make are they? and what specs? Weight? 17 x what? and what make/size tires are you running?

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#3 (permalink) Old 10-11-2007, 02:26 PM
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the wider the tires are the more resistance there is to move the tire better traction but less gas mileage and top speed. i kept 16" on mine but the 17" look nice and good traction

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#4 (permalink) Old 10-11-2007, 07:08 PM
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ya im pretty happy rolling on 16x7's with 205/40/16's, no traction issues either as im running BFG gForce Sports

Kyle Sutherland

1995 BMW 540i/6:
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#5 (permalink) Old 10-11-2007, 07:17 PM
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14's ftw...


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#6 (permalink) Old 10-12-2007, 04:36 AM
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Zennetti's its a 17' -7.5j wheel with 205/40/r17 dunlop sp9000 tyres so you would say put on 16' how would the 15' light wieght rims do?

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#7 (permalink) Old 10-12-2007, 12:13 PM
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a lightweight 15 would probably be a lot lighter

my 16's are just around 12-14 pounds each

Kyle Sutherland

1995 BMW 540i/6:
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1987 BMW 325es: Face & Butt Lifted/M50tu Swapped*Sold*
1985 VW Scirocco: Too many mods, money pit*Sold*
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#8 (permalink) Old 10-15-2007, 06:07 AM
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Ok thanx alot im gna try that nxt

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#9 (permalink) Old 10-15-2007, 10:22 AM
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Quote:
Originally Posted by gotKRAUT
a lightweight 15 would probably be a lot lighter

my 16's are just around 12-14 pounds each
Hey Kraut- any clue on how much stock 15's would weigh on a e36?

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