Change the differential
05-25-2007, 02:30 PM
#21
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My Ride: 2007 550i, Black Sapphire, SMG, M-Aerokit, Sports Package, Comfort Access, Logic 7,
Originally Posted by vegastrashed' post='428348' date='May 25 2007, 03:05 PM
Just got word back that RDSport has the ring and pinion. I was also asked if I want to get the 4.1 with LSD! I told Darwin to get quotes for 4.1 and 4.1 with LSD. Stay tuned. If all the numbers work this is going to happen quickly.
05-25-2007, 02:38 PM
#22
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My Ride: 2007 E63 AMG | Obsidian Black | Schwarzes Nappa | Black BirdEye Maple | Premium II Package | Electronic Trunk Closer | Parktronic
Engine: RPi/Powerchips custom ECU tune, RPi Ram Air Kit (BMC filter, scoops), RennTech Sport exhaust, secondary cats, charcoal and resonator delete, custom AAA x-pipe
Exterior: 50% side windows / 35% rear window Formula One Pinnacle Series | Flat AMG hood emblem
Suspension: Renntech Lowering Module
Wheels/Tires: Radenergie R10, Falken FK452 245/30/20, Yokohama ADVAN Sport 285/25/20
-----------------------------------------
2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint
Suspension and Brakes: Bilstein PSS9 coilovers, JBT BBK: 16" cross-drilled rotors, 8 piston and 15" cross-drilled rotors, 4 piston
Wheels: VIP Modular VR 02 20x9F, 20x10R | Toyo T1R 245/30/20F, 285/25/20R
Lights: PIAA 4150K Xtreme White Plus fog lights, AIB v3
MOST IMPORTANT: Hardwired V1; =)
ED Date: 4/7/05, Re-delivery date: 5/21/05
Yeah, it's going to happen and afterwards you and me, bro. I'm going to open a can of whoop azz on your 550i. HAHAHAHHA
05-26-2007, 11:29 AM
#24
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My Ride: 2007 E63 AMG | Obsidian Black | Schwarzes Nappa | Black BirdEye Maple | Premium II Package | Electronic Trunk Closer | Parktronic
Engine: RPi/Powerchips custom ECU tune, RPi Ram Air Kit (BMC filter, scoops), RennTech Sport exhaust, secondary cats, charcoal and resonator delete, custom AAA x-pipe
Exterior: 50% side windows / 35% rear window Formula One Pinnacle Series | Flat AMG hood emblem
Suspension: Renntech Lowering Module
Wheels/Tires: Radenergie R10, Falken FK452 245/30/20, Yokohama ADVAN Sport 285/25/20
-----------------------------------------
2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint
Suspension and Brakes: Bilstein PSS9 coilovers, JBT BBK: 16" cross-drilled rotors, 8 piston and 15" cross-drilled rotors, 4 piston
Wheels: VIP Modular VR 02 20x9F, 20x10R | Toyo T1R 245/30/20F, 285/25/20R
Lights: PIAA 4150K Xtreme White Plus fog lights, AIB v3
MOST IMPORTANT: Hardwired V1; =)
ED Date: 4/7/05, Re-delivery date: 5/21/05
I don't see a reason why the gearing can't be changed out from a Step to a higher number. That's all I'm going to do on my SMG.
05-26-2007, 11:35 AM
#25
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Thread Starter
Originally Posted by vegastrashed' post='428329' date='May 25 2007, 11:06 PM
Reviving the thread. 
I was at CarLab, a tuning shop, in San Jose a few days ago. Darwin floated the possibility of changing the final drive ratio from 2.93 to 4.1. He mentioned that all that needs to be replaced is the ring and pinion. That there would be no need to swap out the existing diff for another one. Is this feasible and if so, where do I pick up the ring and pinion from? Maybe bimmerworld.com?
I'm sure AlexFW will be happy to hear someone else is wanting to change the final drive ratio. I'm back to modding again.
I was at CarLab, a tuning shop, in San Jose a few days ago. Darwin floated the possibility of changing the final drive ratio from 2.93 to 4.1. He mentioned that all that needs to be replaced is the ring and pinion. That there would be no need to swap out the existing diff for another one. Is this feasible and if so, where do I pick up the ring and pinion from? Maybe bimmerworld.com?
I'm sure AlexFW will be happy to hear someone else is wanting to change the final drive ratio. I'm back to modding again.
4.1 would be crazy ... Don't make it!
I would like to pass from 2.93 to 3.15 or 3.23 (-8% or -11%) .
Bimmerworld has 3.15, 3.23 for $1000 . I think I will go with 3.15, because I have to travel to 140-150 kmh on the highway .
Vegas, I suggest 3.46, for who live in US .
05-26-2007, 11:38 AM
#26
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Thread Starter
Originally Posted by vegastrashed' post='428622' date='May 26 2007, 09:29 PM
I don't see a reason why the gearing can't be changed out from a Step to a higher number. That's all I'm going to do on my SMG.
diffsonline.com told me that on SMG the swap is possible, on the steptronic they weren't sure .
And RD confirmed for SMG .
Vegas, when will you make it ?
I think after the summer, with 3.15 and LSD by Birds UK (check the thread some days ago) .
05-26-2007, 01:51 PM
#27
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My Ride: 2007 E63 AMG | Obsidian Black | Schwarzes Nappa | Black BirdEye Maple | Premium II Package | Electronic Trunk Closer | Parktronic
Engine: RPi/Powerchips custom ECU tune, RPi Ram Air Kit (BMC filter, scoops), RennTech Sport exhaust, secondary cats, charcoal and resonator delete, custom AAA x-pipe
Exterior: 50% side windows / 35% rear window Formula One Pinnacle Series | Flat AMG hood emblem
Suspension: Renntech Lowering Module
Wheels/Tires: Radenergie R10, Falken FK452 245/30/20, Yokohama ADVAN Sport 285/25/20
-----------------------------------------
2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint
Suspension and Brakes: Bilstein PSS9 coilovers, JBT BBK: 16" cross-drilled rotors, 8 piston and 15" cross-drilled rotors, 4 piston
Wheels: VIP Modular VR 02 20x9F, 20x10R | Toyo T1R 245/30/20F, 285/25/20R
Lights: PIAA 4150K Xtreme White Plus fog lights, AIB v3
MOST IMPORTANT: Hardwired V1; =)
ED Date: 4/7/05, Re-delivery date: 5/21/05
It's going to happen within the next two weeks. Guaranteed.
05-26-2007, 02:05 PM
#28
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Originally Posted by vegastrashed' post='428648' date='May 26 2007, 11:51 PM
If anything, I'll drop to a 3.91.
It's going to happen within the next two weeks. Guaranteed.
It's going to happen within the next two weeks. Guaranteed.
05-27-2007, 02:50 AM
#29
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Originally Posted by vegastrashed' post='428648' date='May 26 2007, 04:51 PM
If anything, I'll drop to a 3.91.
It's going to happen within the next two weeks. Guaranteed.
It's going to happen within the next two weeks. Guaranteed.
So VT, what does this do to your top end?
05-27-2007, 05:57 AM
#30
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Originally Posted by Blackonblackonblack' post='428767' date='May 27 2007, 03:50 AM
So VT, what does this do to your top end?
