I have a theory behind what has been happening since this came up before. People noticed that M3 front springs now have the same PN as 85 318i/325e springs and conclude that they have always been identical springs. This isn't true. All of those springs are different from each other. If you put M3 springs on those cars it'll lower them by about an inch. If you put 325 springs on a 318, it'll raise the 318 so high it'll look lifted, etc. What I believe is happening, is that BMW has consolidated the various springs into a single part (probably the M3 spring). So if you want to buy new springs for your 318i for some reason, you will probably get the M3 spring. I've noticed this with other BMW parts as well. If there is more than 1 version, they will supercede/consolidate them all down to one version. Then you get the part and are surprised to see that it is different but works. Examples are S14 throttle body gaskets and accelerator cables, etc. So it's not that RealOEM is wrong, it's just that BMW superceded/consolidated a lot of parts. I can't imagine them getting a lot of orders for BMW M technic rear shocks for an almost 30 year old car for $200 each when you can get the equivalent Boge Turbo Gas (or whatever they call it these days) shock for $58 each.
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Reel - that could very well be the case. However, in other places BMW will simply discontinue the part, so I guess they maybe simply be inconsistent on how they deal with this stuff.
Have you found a suitable replacement strut/shock for an m-tech that has similar properties to the original?The Definitive 1991 M-Technic Thread - a work in progress
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Originally posted by reelizmpro View PostI have a theory behind what has been happening since this came up before. People noticed that M3 front springs now have the same PN as 85 318i/325e springs and conclude that they have always been identical springs. This isn't true. All of those springs are different from each other. If you put M3 springs on those cars it'll lower them by about an inch. If you put 325 springs on a 318, it'll raise the 318 so high it'll look lifted, etc. What I believe is happening, is that BMW has consolidated the various springs into a single part (probably the M3 spring). So if you want to buy new springs for your 318i for some reason, you will probably get the M3 spring. I've noticed this with other BMW parts as well. If there is more than 1 version, they will supercede/consolidate them all down to one version. Then you get the part and are surprised to see that it is different but works. Examples are S14 throttle body gaskets and accelerator cables, etc. So it's not that RealOEM is wrong, it's just that BMW superceded/consolidated a lot of parts. I can't imagine them getting a lot of orders for BMW M technic rear shocks for an almost 30 year old car for $200 each when you can get the equivalent Boge Turbo Gas (or whatever they call it these days) shock for $58 each.
Originally posted by E30_Pare View PostI was under the assumption that boge/sachs were made by the same company.Seat Shocks....I have passed the baton to John Christy from Ninestitch. Email John or Garrett at ninestitch1@gmail.com
https://www.r3vlimited.com/board/sho...86#post4944786
Alice the Time Capsule
http://www.r3vlimited.com/board/showthread.php?t=360504
87 Zinno Cabrio barn find 98k and still smells like a barn. Build thread http://www.r3vlimited.com/board/show...20#post3455220
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what is the drama?
isnt the only difference with the m-tech shocks the internal valves and rebounding ect due the difference in spring rates and requirement for a sportier ride?
the length and diameter is the same as non m-tech shocks from what i can find? so buying a koni sport or bilstien hd or sport should be just as good or better then a factory m-tech shock? not to mention they are cheeper and servicable.
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Originally posted by e30leigh View Postthe length and diameter is the same as non m-tech shocks from what i can find? so buying a koni sport or bilstien hd or sport should be just as good or better then a factory m-tech shock? not to mention they are cheeper and servicable.The Definitive 1991 M-Technic Thread - a work in progress
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I'm sure the length/travel is the same. The m tech suspension wasn't dramatically lower than stock. The shocks were gas charged though."I'd probably take the E30 M3 in this case just because I love that little car, and how tanky that inline 6 is." - thecj
85 323i M TECH 1 S52 - ALPINEWEISS/SCHWARZE
88 M3 - LACHSSILBER/SCHWARZE
89 M3 - ALPINEWEISS II/M TECH CLOTH-ALCANTARA
91 M TECHNIC CABRIO TURBO - MACAOBLAU/M TECH CLOTH-LEATHER
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i cant remember where ive seen what. i just remember looking through all the specs when i was shopping for shocks. i basically came the the result m tech was different internally. not size wise in anyway.
as both bilstien and koni list the vert/ m3 shocks as the same as m tech for sedan and coupe versions. it basically came down to a valve and rebound difference i think.
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Originally posted by e30leigh View Posti cant remember where ive seen what. i just remember looking through all the specs when i was shopping for shocks. i basically came the the result m tech was different internally. not size wise in anyway.
as both bilstien and koni list the vert/ m3 shocks as the same as m tech for sedan and coupe versions. it basically came down to a valve and rebound difference i think.
Wes Welch
Technical Product Information Coordinator
Wes.Welch@thyssenkrupp.comSeat Shocks....I have passed the baton to John Christy from Ninestitch. Email John or Garrett at ninestitch1@gmail.com
https://www.r3vlimited.com/board/sho...86#post4944786
Alice the Time Capsule
http://www.r3vlimited.com/board/showthread.php?t=360504
87 Zinno Cabrio barn find 98k and still smells like a barn. Build thread http://www.r3vlimited.com/board/show...20#post3455220
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Lets bump this up. When I search part numbers for replacement MT2 dampers, I get Bilstien, Sachs, and BMW as OEM for the front and Sachs for OEM rear. The prices are all over the place.
Has anyone confirmed what manufacturer originally made these for BMW to put in these cars? Mine are likely original (89k miles) and they are black unlike the yellow ones pictured earlier in this thread.
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