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12-30-2013, 03:17 PM | #45 | |
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Quote:
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'09 E92 M3: Space Gray, Black, Carbon Leather | ZTP 2MK ZPP 2MT 6FL | link 1 / link 2
Mods: M Performance exhaust | ZCP retrofit | Euro airbox | GTS DCT flash | JPN 240 ECU flash | Euro LCI taillights | CRT lip | OEM alarm retrofit | Space Gray bumper plugs | BMW Performance: Mk. II spoiler / Mk. II non-electronic steering wheel / mirror caps / front grilles / side gills / intake louvers / emblem |
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12-30-2013, 05:43 PM | #46 | ||
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The benefit of the differential bushings is snappier control of the rear end power and application. Less deflection of the differential means better control and improved traction. The factory differential has 2 forward mounts and a offset single mount on the rear. This design inherently leads itself to deflecting on the passenger side very aggressively to the point of catastrophic hardware failure. Quote:
I hope this answers your questions a little better.
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12-31-2013, 02:04 AM | #47 |
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Is your drivetrain or engine modified in any way?
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'09 E92 M3: Space Gray, Black, Carbon Leather | ZTP 2MK ZPP 2MT 6FL | link 1 / link 2
Mods: M Performance exhaust | ZCP retrofit | Euro airbox | GTS DCT flash | JPN 240 ECU flash | Euro LCI taillights | CRT lip | OEM alarm retrofit | Space Gray bumper plugs | BMW Performance: Mk. II spoiler / Mk. II non-electronic steering wheel / mirror caps / front grilles / side gills / intake louvers / emblem |
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12-31-2013, 03:47 PM | #48 |
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Thanks. Curious to find someone whose done the solid subframe mod who doesn't have a stroker or a supercharger.
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'09 E92 M3: Space Gray, Black, Carbon Leather | ZTP 2MK ZPP 2MT 6FL | link 1 / link 2
Mods: M Performance exhaust | ZCP retrofit | Euro airbox | GTS DCT flash | JPN 240 ECU flash | Euro LCI taillights | CRT lip | OEM alarm retrofit | Space Gray bumper plugs | BMW Performance: Mk. II spoiler / Mk. II non-electronic steering wheel / mirror caps / front grilles / side gills / intake louvers / emblem |
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12-31-2013, 06:01 PM | #49 |
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I have done the subframe and diff mounts, and love the way the rear end stays planted. My review is somewhere on the forum with pics.
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12-31-2013, 11:46 PM | #50 |
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This is an invaluable thread for those of us that want to keep our M3s forever.
Malek, I see two different options for the differential mounts at Turner, will the all delrin setup provide more comfort? Also, can you post the exact labor cost (minus parts) to do the subframe and differential bushings? Also, how much extra labor to do motor mounts? Last edited by Leonardo629; 01-01-2014 at 03:58 PM.. |
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01-03-2014, 10:50 AM | #51 |
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I was surprised, and impressed, that powerflex offers so much for the E9xM3 platform.
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01-03-2014, 12:19 PM | #52 |
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They have a big line of stuff. I have Poly sway bar bushings on my E36 and the one downside is they squeak if I don't keep them lubed.
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01-03-2014, 04:51 PM | #53 |
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For a more DD application could you recommend the Powerflex bushings Malek (more so just the differential for NVH purposes)? Say for a car making 400whp or less. I feel in my DCT it almost has drivetrain slop, you let of the gas too fast at low speeds and theres almost clunks and too much wheel hop for a car of this caliber.
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04-27-2014, 11:11 PM | #54 |
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With access to a lift, how much time is required to change the diff bushings? There's a tech day coming up @ one of the local BMW shops, and I'd like to DIM (Do It Myself) if it is 2hrs or less.
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04-28-2014, 01:04 PM | #55 | |
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Unfortunately you will no be able to do the diff bushings as a DIY in less than 2 hours.
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04-28-2014, 01:16 PM | #56 |
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04-28-2014, 02:01 PM | #57 |
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Differential bushings take about 3-3.5 hours. Exhaust, differential, shielding paneling all need to be removed as well. Subframe needs to be slightly lowered to allow for the tooling to get in there.
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OFFICIAL PARTNERS: KW. MOTON. Brembo. AP Racing. BBS Motorsport. iND. HRE. Turner Motorsport. VAC. BMW Motorsport. Facebook | Instagram | Yelp! | Flikr Phone: 949-233-0448 | E-Mail: info@mrfengineering.com |
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