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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > fitting quaiffe diff to 335i



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      08-29-2012, 12:37 PM   #1
jada07515
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fitting quaiffe diff to 335i

hi has anyone got a how to or fitted the diff? its a auto box if that helps...do i need any new bearings or any specific oil also

thnaks
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      08-29-2012, 02:47 PM   #2
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anyone help?
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      08-29-2012, 05:35 PM   #3
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http://www.e90post.com/forums/showth...ghlight=quaife

all the info is there
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      08-30-2012, 04:07 AM   #4
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thanks mate
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      08-30-2012, 04:15 AM   #5
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Do you have a pumpkin or just the ATB unit itself?
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      08-30-2012, 06:28 AM   #6
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its the one that is in the for sale thread mate, but i need to know what year it cane off as they changed design from 2007
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      08-30-2012, 06:34 AM   #7
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as Phil said it depends if you are buying the full pumpkin or just the internal diff. as far as I know the diff itself has not changed, but later cars have welded crownwheels not bolted.

therefore if you are buying the whole pumpkin then it makes no odds, if you are buying the internals you need to know the state of your own car, rather than the vendors.
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      08-30-2012, 06:44 AM   #8
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ill have to find out mate, what is a pumpkin??

edit

Quaife LSD (bolted crownwheel & for auto transmission) - 600

thats all the info i have atm
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      08-30-2012, 06:53 AM   #9
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OP - You need to find out if your car has a bolted crownwheel diff. What year is yours?

And you need to ask the seller if he is selling just the internals or the whole thing in a casing (pumpkin).

If you have a bolted crownwheel type diff currently in your car then bingo, you can just transfer your own crownwheel onto the new diff and fit it straight in your existing casing, auto or manual transmission.

If you have a welded crownwheel (post 2007 ish) then it's a pain as you need to get your crown wheel machined off your diff so you can bolt it onto the new diff. (this costs about 300+ if you get it done)
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      08-30-2012, 07:22 AM   #10
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If its a pumpkin I thought it was straight swap.

Also Bolted/welded is related to manual transmission only IIRC.
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      08-30-2012, 07:31 AM   #11
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mine is a 2006 but just spoke to kevin at birds and he has answered all my questions

2007 on is a 13n which is a smaller quaiffe diff
2006 is a 10 n quaiffe diff

later cars have crowned not welded diffs - this is not the case for automatics

i have to wait for the guy to get back to me with all the info for the diff

thanks steve
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      08-30-2012, 07:33 AM   #12
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Sorry phil, I was assuming it was a loose diff from the sellers details.

So are all auto's bolted then - I suppose there has to be some benefit to having a dull-box

The main problem with a welded car is there are numerous different crown wheel sizes for all the models and final drive ratios, so unless you get YOUR crown wheel machined off, where can you get another 'loose' crownwheel of your required size / number of teeth?
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      08-30-2012, 07:36 AM   #13
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Quote:
Originally Posted by jada07515 View Post
later cars have crowned not welded diffs......
What does this mean steve?

Later cars have WELDED crown wheel diffs.

Earlier cars have BOLTED crown wheel diffs.

Mines a 2009 and it had a welded crown wheel.

Is he saying autos are all bolted? Is yours an auto?
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      08-30-2012, 07:43 AM   #14
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Quote:
Originally Posted by jada07515 View Post
ill have to find out mate, what is a pumpkin??

edit

Quaife LSD (bolted crownwheel & for auto transmission) - 600

thats all the info i have atm
Not really 600 now. They are doing a shadow bidding so you wont know how much it will cost..
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      08-30-2012, 07:44 AM   #15
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im not sure to be honest mate diffs in the bmw's seem a bit of a mine field lol

mine is auto - is yours a auto?

he spoke so much about the diffs i was a bit lost but learning
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      08-30-2012, 07:45 AM   #16
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Quote:
Originally Posted by Yoro35i View Post
Not really 600 now. They are doing a shadow bidding so you wont know how much it will cost..
what you mean shadow bidding mate?? he has already offered me it an the cooler??
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      08-30-2012, 07:58 AM   #17
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Quote:
Originally Posted by jada07515 View Post
what you mean shadow bidding mate?? he has already offered me it an the cooler??
O congrats to you. I was probably 2nd or 3rd in line and recieved a pm asking how much i am willing to pay up to. I immedialty lost interested so i opted out!
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      08-30-2012, 08:21 AM   #18
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is he starting a bidding war lol it all depends what model diff it is tbh as now i know what i need, if not i will just go for the birds dynamic package
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      08-30-2012, 11:42 AM   #19
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Quote:
Originally Posted by jada07515 View Post
is he starting a bidding war lol it all depends what model diff it is tbh as now i know what i need, if not i will just go for the birds dynamic package
Well i assumed it. can't really say much. how much are you getting it then?

The Birds package sounds awesome!! ask if they can offer the forum offer price!!
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      08-30-2012, 03:18 PM   #20
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No bidding war Guys, not interested in that, dont need the hassle.

Diff goes for asking price to the 1st bidder who confirms it will fit their car.

Info off my Birds invoice says - Rear Axle 33-878-130 - 335i Auto with Final Drive 7572055.

For info, its just the internals as it fits in the orginal housing.

Does that help?

Quote:
Originally Posted by Yoro35i View Post
Well i assumed it. can't really say much. how much are you getting it then?

The Birds package sounds awesome!! ask if they can offer the forum offer price!!

Last edited by YvesD; 08-30-2012 at 03:26 PM.
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      08-31-2012, 07:15 AM   #21
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ill pass on the diff thanks as it wont fit my car

thanks steve
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      08-31-2012, 07:17 AM   #22
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Quote:
Originally Posted by Yoro35i View Post
Well i assumed it. can't really say much. how much are you getting it then?

The Birds package sounds awesome!! ask if they can offer the forum offer price!!
ill be going birds next week to have a go in their demo car 430 bhp and set up right
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