I want an H pattern since I like shifting and it's better suited for the street then a sequential would be. Samsonas has a few options, think the universal sequential is around the 10k mark. At that point might as well use a universal race transmission with adaptor plate. The whole drivetrain, clutch, flywheel will need to be customized. The zf or 265 getrag bolt ons won't exactly just bolt ons the e90. Pfitzner first caught my eye since they advertise making gears for any application, but I have found a few other shops that do the same and equivalent products seem to be cheaper then PPG. PPG is definitely at the higher end on pricing since from other brands they have gear sets from 7k up. The sequential sets are closer to the 20k mark. Hard to judge pricing based on other vehicles transmissions but most of their gear sets are in the 8-10k range. Interesting you aren't going with the existing Getrag bolt in that has been proven to hold 1200hp and shifts at 80ms. How much is a custom solution going to cost? And the price for a drop in kit are already at $19,000. Pfitzner Boxes can hit a 45ms shift speed. If both transmissions do in fact have the same shaft diameter I can't see why they wouldn't work on both. They specify M3 so possibly they know of a reason why it wouldn't work in a non M. Samsonas already produces a drop in set for the M3 box. If they are internally the same that would awsome, saves a lot of money sending a transmission out to Pfitzner for their shop to use designing the gear set. You know I was exploring the similarities of the m3 and non m transmissions, I pulled the diagrams saw the housings mounting bolt pattern/shape didn't match and didn't dig any further. They have the same ratios so I doubt they're any different internally.Ī dogbox would be great on the track with a flatshift device, straight cut gears would sound glorious as well. On the side of the non M gearbox all the bungs are still there, just plugged off with caps. They have differnt part numbers but thats mainly due to the M3 gearbox being externally oil cooled. The gearbox from an e92 M3 is a ZF GS6-53BZ and an n54 gearbox is a ZF GS6-53BZ Hopefully I'll have more information within a week or two. Noise level from dogbox (extreme example car stripped from sound deading material and driven hard) This will remove the whine while at cruising speeds. Shift speeds are also dramatically improved to near instant gear changes.įor a dual use track car best bet would be to only swap gears 1-4 to straight cut and keep 5 & 6 helical or 1-5 straight and 6 helical. They are ideal for turbocharged applications, since you don't lose boost between shifts because the clutch is not required and can shift under engine load. If your car doesn't go to the track occasionally this is not the right transmission for you, straight cut gears whine decently loud like a race car trans.
#Sequential manual transmission cost mods
This would also be way more economical then using universal complete assembly sequential or H pattern dogbox's which would also require clutch/flywheel and drivetrain mods to install. We can try to set up a group buy with the MFG and make it more economical. If you are interested in upgrading to a performance transmission capable of track, drag, daily driving, and no lift/clutch shifting. Pfitzner Performance Gearboxes does design and manufacture custom gear sets for any car and will most likely be the company I end up purchasing my kit from. Both don't currently have kits available for the non M E90's. Contacted a few companies that produce drop in kits like Pfitzner and Samsonas. Will buying straight cut gears with dog engagement inside a n54 manual transmission housing for direct bolt-on replacement on stock drivetrain.
I'm working on upgrading my stock transmission housing To a dogbox.
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