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03-12-2008, 06:37 AM | #1 |
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Lowering Springs on EDC
Do lowering springs like the H&R Sports that are supposed to work with EDC have a negative effect on the EDC shock life?
Do you guys think the performance could actually decrease, and only the "look" increase? Would warrenty cover anything that went wrong with EDC if you have lowering springs? |
03-12-2008, 01:31 PM | #2 |
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I have driven/owned various M's (M3 E46, M6, M3 E92) and all lowered them with springs only from Hartge. Never had a single problem resulting from that, although quite a few people will make you believe otherwise. They were specifically developed to work with the oem shocks.
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03-12-2008, 01:54 PM | #3 |
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FYI this has been discussed ad nauseum here on the forum. Try a google search instead of the forums built in search. Try this link and look at the syntax of the search (you just add site:m3post.com to the end of your search).
The quick answer is that EDC does not care what springs you use. Although the damping rates are optimized for the existing springs as long as your springs are not unrealistically short or stiff all will be fine. |
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03-12-2008, 02:20 PM | #4 |
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Sorry for OT:
Well, you told so many times how to use the google search and I never mentioned this was totally new to me. Thanks, Sw! Best regards, south
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03-12-2008, 05:34 PM | #5 |
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It is really powerful when you use the additional google capabilities that are not present in the M3post.com such as boolean logic. I almost never use the M3post.com search function.
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03-12-2008, 05:47 PM | #6 | |
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03-12-2008, 06:38 PM | #7 | |
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I just sent Ground Control and inquiry about this.
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03-12-2008, 10:46 PM | #8 |
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looks like i might have to put some sandbags or something in my trunk
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03-12-2008, 11:51 PM | #9 |
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The drop is minimal on the H&R's. The additional wear on the stock shocks will be negligible. Stock height is unacceptable.
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03-13-2008, 06:02 AM | #10 |
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If the life expectancy isn't shortened by a measurable amount then h&r sport springs it is. The m3 would be perfect with a drop of about like 1"-2".
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03-13-2008, 11:34 AM | #11 |
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Ground Control lowering springs for EDC
I inquired with Ground Control if they would offer lowering springs for the M3 EDC.
"Yes. definitely, it has been popular for the e60M5, and of course I expect moreso for the M3. The upper perch in front is the same as e46 M3 and the rear requires a new upper mount and perch." Jay Morris
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03-13-2008, 12:00 PM | #12 | |
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03-13-2008, 05:11 PM | #13 | |
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04-10-2008, 02:09 AM | #14 |
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difference between stock...
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04-10-2008, 06:56 AM | #15 |
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Interesting, OC! More info!
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04-10-2008, 08:26 AM | #16 |
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No clue at this point. Springs are pretty inexpensive. Don't know if anything can be done with the perch; might just have to use stock. Here's pics of front and rear setup:
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04-10-2008, 08:41 AM | #17 |
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If you read about some of the problems from m5board.com with springs and EDC you will notice that the problems were related to the H&R springs. I haven't seen anyone post about a problem with Dinan springs or Hartge springs.
That leads me to think that its ostensible that H&R may have a problem with the M3 EDC as well. JMHO
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04-10-2008, 10:05 AM | #18 | |
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04-10-2008, 10:09 AM | #19 |
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Agreed. However using Dinan springs will not void the EDC warranty.
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04-10-2008, 10:27 AM | #20 |
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Well, technically, the factory warranty will be replaced by the Dinan warranty. That's one reason Dinan parts are so expensive. May be worth it in this case.
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04-10-2008, 10:30 AM | #21 | |
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I'll have to price the Dinan springs cause this is probably the only way I'd go just to get away from the hassle of the possibilities that can go wrong.
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04-10-2008, 11:02 AM | #22 |
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How much are Dinan springs for the E92 M3?
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