Quaife LSD Install

Marcus-SanDiego · 07-20-2010, 03:33 PM

Before I get started, let me get some of the formalities out of the way. I have a 2009 335 6MT. I had a welded factory differential. As a result, I had to purchase a full, complete final drive from HP Autowerks.

Harold was a total joy to work with. I ordered the Quaife on July 8. I was told that it could take as long as seven days for HP Autowerks to ship the diff to me. In fact, the diff shipped out on July 14, six days after I placed my order. I received the diff a day later.

I got the LSD installed yesterday. The install took one hour and 40 minutes. Euro Auto Spot did the work. Shane Nguyen, owner of Euro Auto Spot, and Steve, new master tech that was recently hired by Euro Auto Spot (he was most recently at BMW South County), tagged teamed the install.

I watched the install and took pictures along the way. I was surprised how much work was involved in the install -- despite the fact that I bought the complete final drive (pumpkin with Quaife inside).

I drove straight home after the install but one thing was obvious from the start. The car, when you accelerate, feels more sure now. It's very obvious. I didn't have a chance to hit any fun on- or off-ramps, but I'm looking forward to it. It's too bad the LSD isn't a factory option -- or standard equipment -- on the 335. This car could have really benefited from it. Oh, well. I have one now. I already think the money was well spent but I am sure that I'll really think that once I toss the car around a little bit.

By the way, I retained the stock gearing ratio (3.08).

In the meantime, here are a bunch of miscellaneous pictures. I think I took some 40 pictures or so. I'll supplement this thread as I find time to upload the pictures.

Removing the exhaust

After everything was loosened up -- dropping the diff

Diff being lowered

Half shafts without diff installed

Diff cover cleaned and then prepared so that it can be attached to new diff unit

Tightening stuff up after diff was reinstalled

New torx screws being added to half shaft

Scraping off the residue from the diff cover before applying adhesive

As I get more pictures, I will supplement this thread.

dzenno · 07-20-2010, 04:32 PM

cool!! congrats....my car is back at the shop after having the wavetrac installed...they didn't line up the driveshaft properly so i was getting a thump when upshifting...can't wait..

Twilight1 · 07-20-2010, 05:19 PM

I love the photos. Keep them coming.

rummy · 10-27-2010, 08:46 AM

Awesome.

HP Autosport · 11-01-2010, 02:47 PM

Any reviews after some test drives?

07-20-2010, 03:33 PM	#1
Marcus-SanDiego Lieutenant Colonel 163 Rep 1,588 Posts Drives: 2008 X5 4.8i (E70) Join Date: Jan 2007 Location: San Diego iTrader: (1)	Quaife LSD Install Before I get started, let me get some of the formalities out of the way. I have a 2009 335 6MT. I had a welded factory differential. As a result, I had to purchase a full, complete final drive from HP Autowerks. Harold was a total joy to work with. I ordered the Quaife on July 8. I was told that it could take as long as seven days for HP Autowerks to ship the diff to me. In fact, the diff shipped out on July 14, six days after I placed my order. I received the diff a day later. I got the LSD installed yesterday. The install took one hour and 40 minutes. Euro Auto Spot did the work. Shane Nguyen, owner of Euro Auto Spot, and Steve, new master tech that was recently hired by Euro Auto Spot (he was most recently at BMW South County), tagged teamed the install. I watched the install and took pictures along the way. I was surprised how much work was involved in the install -- despite the fact that I bought the complete final drive (pumpkin with Quaife inside). I drove straight home after the install but one thing was obvious from the start. The car, when you accelerate, feels more sure now. It's very obvious. I didn't have a chance to hit any fun on- or off-ramps, but I'm looking forward to it. It's too bad the LSD isn't a factory option -- or standard equipment -- on the 335. This car could have really benefited from it. Oh, well. I have one now. I already think the money was well spent but I am sure that I'll really think that once I toss the car around a little bit. By the way, I retained the stock gearing ratio (3.08). In the meantime, here are a bunch of miscellaneous pictures. I think I took some 40 pictures or so. I'll supplement this thread as I find time to upload the pictures. Removing the exhaust After everything was loosened up -- dropping the diff Diff being lowered Diff being lowered Half shafts without diff installed Diff cover cleaned and then prepared so that it can be attached to new diff unit Tightening stuff up after diff was reinstalled New torx screws being added to half shaft Scraping off the residue from the diff cover before applying adhesive As I get more pictures, I will supplement this thread. __________________ Last edited by Marcus-SanDiego; 07-20-2010 at 06:17 PM..
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07-20-2010, 04:32 PM	#2
dzenno Banned 273 Rep 5,876 Posts Drives: Join Date: Feb 2006 iTrader: (1)	cool!! congrats....my car is back at the shop after having the wavetrac installed...they didn't line up the driveshaft properly so i was getting a thump when upshifting...can't wait..
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07-20-2010, 05:19 PM	#3
Twilight1 First Lieutenant 25 Rep 363 Posts Drives: Tuned SHO Join Date: Jul 2009 Location: MI iTrader: (0)	I love the photos. Keep them coming.
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10-27-2010, 08:46 AM	#4
rummy stoked 6 Rep 175 Posts Drives: '07 E92 Join Date: Jul 2010 Location: West Dundee, IL iTrader: (2)	Awesome.
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11-01-2010, 02:47 PM	#5
HP Autosport Supreme Allied Commander 3847 Rep 54,376 Posts Drives: F80 M3 Join Date: Mar 2007 Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com iTrader: (36)	Any reviews after some test drives?
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