BMW 135i Manual Quaife LSD conversion build

andrew@southernBM · 07-23-2011, 09:14 PM

I get a lot of questions about the Manual 135i Quaife LSD conversions regarding the welded crown wheel issue and questions to why it varies in cost to the Auto. I thought i could share with you guys one of the builds we just did to give you some idea of what goes into building a Quaife LSD for Manual BMW 135i.

If anyone want pricing on BMW Quaife in Australia, feel free to email or PM me your Vin and i'll get back to you soon.

MrBlonde · 07-23-2011, 09:29 PM

Great video Andrew!

mcmn · 07-23-2011, 10:50 PM

indeed, that machine work looks like it would be expensive!

UsualSuspect · 07-24-2011, 12:55 AM

Quote:

Originally Posted by andrew@southernBM

I get a lot of questions about the Manual 135i Quaife LSD conversions regarding the welded crown wheel issue and questions to why it varies in cost to the Auto. I thought i could share with you guys one of the builds we just did to give you some idea of what goes into building a Quaife LSD for Manual BMW 135i.

If anyone want pricing on BMW Quaife in Australia, feel free to email or PM me your Vin and i'll get back to you soon.

Yes it does, thanks for the video.

TimMc · 07-24-2011, 02:04 AM

That's how he built my diff!?

Zuzu · 07-24-2011, 02:19 AM

Great video Andrew.. memories of my youth in the machine shop playing with the lathe..

CrustyNoodle · 07-24-2011, 06:56 AM

Pardon my ignorance, but is it not possible to transplant an AT crown wheel and pinion with Quaife diff into the manual diff housing or just use a complete AT diff assembly in a manual car?

I'm guessing there must be some issue with this set up other wise surely you wouldn't go to all the trouble of dissecting the manual diff.

andrew@southernBM · 07-24-2011, 05:47 PM

The Ratio's are different between Auto and Manual, and the front drive flanges are different, which means the tail shafts are different and are different lengths also.

Dackelone · 07-25-2011, 05:33 AM

Great video! Thanks.

CrustyNoodle · 07-25-2011, 06:05 AM

Quote:

Originally Posted by andrew@southernBM

The Ratio's are different between Auto and Manual, and the front drive flanges are different, which means the tail shafts are different and are different lengths also.

As far as ratios go, isn't the AT's 3.46 more desirable than the MT's 3.08?

If I ever get one of these things, I'll have to come down and have chat with you Andrew.

WOPALX · 07-25-2011, 06:29 AM

Andrew that synthetic cutting lube looks to need a serious dose of biocide & a pH check, otherwise it could be a health hazard. Otherwise excellent machine work!

Praise the lord I had a bolted crown!

Jeef Beef · 07-25-2011, 07:03 AM

Quote:

Originally Posted by CrustyNoodle

Pardon my ignorance, but is it not possible to transplant an AT crown wheel and pinion with Quaife diff into the manual diff housing or just use a complete AT diff assembly in a manual car?

I'm guessing there must be some issue with this set up other wise surely you wouldn't go to all the trouble of dissecting the manual diff.

I also believe the manual is 210mm while the Auto is ~180mm. The auto one would surely exploded from the extra stress of a manual tranny.

07-23-2011, 09:14 PM	#1
andrew@southernBM 169 Rep 1,537 Posts Drives: M2 G87, M4 G82 Join Date: Apr 2008 Location: Melbourne, Australia. iTrader: (0)	BMW 135i Manual Quaife LSD conversion build I get a lot of questions about the Manual 135i Quaife LSD conversions regarding the welded crown wheel issue and questions to why it varies in cost to the Auto. I thought i could share with you guys one of the builds we just did to give you some idea of what goes into building a Quaife LSD for Manual BMW 135i. If anyone want pricing on BMW Quaife in Australia, feel free to email or PM me your Vin and i'll get back to you soon.
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07-23-2011, 09:29 PM	#2
MrBlonde Colonel 122 Rep 2,695 Posts Drives: Audi TTRS, M Coupe, 1299 Join Date: Jan 2008 Location: Merewether iTrader: (0)	Great video Andrew! __________________ .-=[ Kenny ]=-. 1999 BMW M Coupe 10.775 @ 134.35 mph w/1.600 60' (Best 136.07 mph) 25th August 2004. +2010 X5 35D+ Check out the 1Addicts Drag Racing Standings and Drag Racing 101.
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07-23-2011, 10:50 PM	#3
mcmn Captain 28 Rep 693 Posts Drives: MY10 AW 135i Join Date: Jun 2011 Location: Melbourne iTrader: (0)	indeed, that machine work looks like it would be expensive!
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07-24-2011, 02:04 AM	#5
TimMc Lieutenant Colonel 44 Rep 1,883 Posts Drives: E90 M3 Join Date: Aug 2008 Location: Brisbane, Australia iTrader: (0)	That's how he built my diff!?
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07-24-2011, 02:19 AM	#6
Zuzu Major General 2816 Rep 7,637 Posts Drives: M2C HS 6MT Join Date: Mar 2008 Location: Sydney Australia iTrader: (0)	Great video Andrew.. memories of my youth in the machine shop playing with the lathe..
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07-24-2011, 06:56 AM	#7
CrustyNoodle First Lieutenant 12 Rep 317 Posts Drives: 135i DCT Join Date: Jun 2011 Location: Melbourne, Australia iTrader: (0)	Pardon my ignorance, but is it not possible to transplant an AT crown wheel and pinion with Quaife diff into the manual diff housing or just use a complete AT diff assembly in a manual car? I'm guessing there must be some issue with this set up other wise surely you wouldn't go to all the trouble of dissecting the manual diff. __________________ BMW - 135i DCT Audi - Q5 3.0TDI
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07-24-2011, 05:47 PM	#8
andrew@southernBM 169 Rep 1,537 Posts Drives: M2 G87, M4 G82 Join Date: Apr 2008 Location: Melbourne, Australia. iTrader: (0)	The Ratio's are different between Auto and Manual, and the front drive flanges are different, which means the tail shafts are different and are different lengths also.
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07-25-2011, 05:33 AM	#9
Dackelone European Editor 10589 Rep 22,992 Posts Drives: N54 e82 Join Date: Feb 2010 Location: Bayern, Germany iTrader: (1)	Great video! Thanks.
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07-25-2011, 06:29 AM	#11
WOPALX Lieutenant Colonel 86 Rep 1,993 Posts Drives: 335i Sedan Join Date: May 2007 Location: Sydney, Australia iTrader: (2)	Andrew that synthetic cutting lube looks to need a serious dose of biocide & a pH check, otherwise it could be a health hazard. Otherwise excellent machine work! Praise the lord I had a bolted crown! __________________ Vishnu PROcede V5 \| VK Motorworks FMIC \| AR Design OCC \| Forge DV's \| Bilstein PSS9 \| M3 Lower Control Arms & Caster Rods \| Quaife LSD \| HiTech Exhaust \| BMW Performance Illuminated Door Sills \| BMW Performance Gear Selector & Boot \| BMW Performance E-Brake Cover
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