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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Uneven suspension level



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      04-30-2009, 12:56 AM   #1
JayReplay
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Uneven suspension level

Ever since day 1, my car has had different ride heights. I currently have the ZSP suspension with 15,xxx miles. The fronts are normal, but the rear seems to vary. What's for sure is that the rear left has always sat lower than the rear right side. Additionally, sometimes the drivers side is almost tucked (1 finger gap) while the right side has a 2.5 finger gap. Pretty significant. I have noticed this height difference on different surfaces while parked. I originally thought the right side would be lower than the left to accomodate the drivers weight when sitting in the car.

Does anyone have the same problem? There is one guy overseas who had a similar issue but could not find a resolution. Should I take this to BMW as I still have my factory warranty?

Thanks,
Jay
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      04-30-2009, 02:26 AM   #2
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      04-30-2009, 02:28 AM   #3
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I have noticed an abnormality in my suspension. My rear left side is a bit lower than my rear right, By about 1/4 an inch or so. I can't tell unless it's on level ground. It's not noticeable from a distance or a quick glance. I only have 5,XXXmiles on it and believe my car's suspension may need time to settle down and loosen up.
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      04-30-2009, 02:30 AM   #4
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thats weird cuz mine is the other way around my passenger side is lower than the drivers side..hmmm, i always thought since the battery is on that side maybe thats the case..
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      04-30-2009, 02:53 AM   #5
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I know on the older E36 M3's this was caused due to the gas tank location. I'm not sure if it's the same problem on the E90's but it might be the culprit.....
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      04-30-2009, 09:50 AM   #6
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hmm good to know. Has anyone brought their issues to the dealer? I hope to have some time to take it in and maybe they will replace the suspension. Or just throwing on some h&r sports on the stock shocks. What are your thoughts in this situation? Is it the springs problem or the shocks?
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      04-30-2009, 10:30 AM   #7
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      04-30-2009, 10:51 AM   #8
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I would suggest getting some coilovers if it bothers you that much....

When I had my E36 M3, the buzz was that the driver's side sat higher so as to sit level when the car had just a driver and no passengers (which was like 90% of the time). Not sure how much I believed it, so I got some coilovers and leveled it out.
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      04-30-2009, 11:11 AM   #9
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i think its because bmw accounts for the driver on the left side weight to level it out since the right side is a bit higher..
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      04-30-2009, 11:13 AM   #10
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Quote:
Originally Posted by ejazbmw View Post
i think its because bmw accounts for the driver on the left side weight to level it out since the right side is a bit higher..
Well, OP's issue is that his car is leaning the opposite way of what is expected.
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      04-30-2009, 11:41 AM   #11
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This happens all the time; full fuel tank or not. And I don't see anyone else with this problem. I'll have to take it to the dealer and have them replace the suspension I guess. Unless they tell me it's a wear and tear situation and it's not covered!
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      04-30-2009, 11:51 AM   #12
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i would suggest getting some coilovers and even it out.. thats probably ur best solution..
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      04-30-2009, 12:38 PM   #13
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Quote:
Originally Posted by ejazbmw View Post
i think its because bmw accounts for the driver on the left side weight to level it out since the right side is a bit higher..
The driver side should be higher. This is done as part of the alignment procedure to compensate for the driver's weight. If the passenger's side is higher with no one inside the car, then there is something goofy going on with the suspension.
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      04-30-2009, 02:17 PM   #14
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I noticed that when i installed my coilovers, but realized that after many adjustments to the rear coilover adjustments the car seemed to still be lowered more on one side....after going crazy for a while, I realized the pavement in my garage was pitched and created this illusion that the car was not adjusted right....took it to a spot where its leveled and sure enough the car was even in the rear on both sides!!! To the OP...make sure when you look at the car its on a even roador surface
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      04-30-2009, 02:29 PM   #15
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There is something seriously wrong if you only have a one-finger gap on the driver's side rear and a 2.5 finger gap on the passenger rear. I would definitely have the dealer sort it out. Something is likely to have been damaged to have a difference > 1 inch.
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