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BMW 3-Series (E90 E92) Forum
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Proper Inflation: 330i 225 45 17's
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06-03-2006, 12:11 PM | #1 |
Larry from Los Angeles
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Proper Inflation: 330i 225 45 17's
I just got my new 330 last night. I drove just a little last night. The car was great. Still trying to find a good seat position. Even with lumbar all the way in, it seems to stick out a lot. The car was a little jumpy.
This morning I checked the air. The door panel has TWO inflation instructions: One for under 100 MPH and One for OVER 100 MPH. Under 100 MPH is 29 Front and 36 Rear Over 100 MPH is 33 Front and 41 Rear My car had 39.5 in all tires. So, I blead it down to 29/36 and what a difference. The ride is FIRM, but now it's not jumpy and when you go over a bump or go through an intersection with a depression, it's very smooth This forum has warnings to check tire pressure and it's true. Good advice to follow here. By the way, I have the Turanza Tires on my car. Larry |
06-03-2006, 01:18 PM | #2 | |
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thanks , let me go check my door panels and see if the pressures for the continentals are different. edit: yeah my pressure ratings are exactly the same
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2019 G20 330i RWD
2014 F30 328i RWD 2009 E90 328i RWD 2006 E90 330i RWD 2002 E46 330i RWD |
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06-03-2006, 02:33 PM | #3 |
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i just checked my pressure and mine was greatly overinflated also.
Both my rears have 41 and my front tires have 39. I'm afraid to lower it b/c i do not want lose the precise handling/tight steering feel.
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2014 F30 328i RWD 2009 E90 328i RWD 2006 E90 330i RWD 2002 E46 330i RWD |
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06-03-2006, 03:22 PM | #4 |
Larry from Los Angeles
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You can always put the air back in, but you should try the recommended settings. They are there for a reason. When I reduced the pressure, just a bit of that rough ride disappeared. It's still very tight and solid.
Also, over inflation will wear the tire unevenly. Try it, you might like it. L |
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06-03-2006, 03:56 PM | #5 | |
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2019 G20 330i RWD
2014 F30 328i RWD 2009 E90 328i RWD 2006 E90 330i RWD 2002 E46 330i RWD |
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