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stappin
Groupie
Joined: 15-January-2004
Status: Offline
Points: 41
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Posted: 19-January-2004 at 22:42 |
Anyideas on where to buy a recon diff if I dont have one?
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Nick
Bavarian-Board Contributor
BMWCC Area Organiser Yorks & Humber
Joined: 21-October-2002
Location: God’s own county... Yorkshire
Status: Offline
Points: 1319
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Posted: 20-January-2004 at 09:45 |
There are lots of breakers out there specialising in BMW.. just have a look in BMW Car or similar mags.
I would buy one of those rather than a recon one.. it may not need doing.. but if it does you could take it to a transmission specialist of your choice and have it set up as stiff as you want.
Nick
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Jay B
Groupie
Joined: 14-December-2003
Location: United Kingdom
Status: Offline
Points: 65
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Posted: 20-January-2004 at 15:08 |
Hi there, regarding the bumper swap etc. I was told by a specialist that it's not really possible to do anything with the rear end in terms of changing over - he said it'd be easier to cut the back off and use that of another car! Although you can apparently fit all the parts to the front end.
If you're after more torque a "rally cam" is not the way to go, they're usually designed to work properly from say 4000-8000rpm on 4 cyl engines.
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Timray
Groupie
Joined: 12-December-2003
Location: United Kingdom
Status: Offline
Points: 60
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Posted: 17-February-2004 at 16:43 |
Hmmm... would you be better off with a 318iS for autotesting? You can pick up a good 318iS for £1200 and it looks as if you are going to spend a third of that on a diff... the last LSD I saw advertised was £425 (standard diffs are much cheaper).
I love my 325i Sport but a 318iS has to be better balanced. Enjoy, anyway ---
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paul325i
Really Senior Member II
Joined: 23-January-2003
Location: United Kingdom
Status: Offline
Points: 666
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Posted: 17-February-2004 at 18:37 |
Better balance but the engine will be rubbish for what you plan to do, the torque and power is all up the top end so you'll need to rev the hell out of it to get it to break traction.
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Timray
Groupie
Joined: 12-December-2003
Location: United Kingdom
Status: Offline
Points: 60
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Posted: 17-February-2004 at 18:58 |
Paul, point taken. BTW, I used to have an Alpina C2 2.5 with the 4.1 diff factory-fitted (well, Alpina-fitted) and the result, with a factory dogleg box, was 0-60 in 6.7 and a top speed limited by the gearing to 141mph. All from 190bhp.
The gearing did not feel too low at the time, but today it would, because we are used to higher gearing in more recent cars. The only problem was that the dogleg box had a conspicuous gap between 2nd and 3rd and the engine fell out of the power band unless you were somewhere near the red line in 2nd.
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Timray
Groupie
Joined: 12-December-2003
Location: United Kingdom
Status: Offline
Points: 60
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Posted: 17-February-2004 at 19:01 |
PS - It occurs to me to ask: B858JRD, are you out there?
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paul325i
Really Senior Member II
Joined: 23-January-2003
Location: United Kingdom
Status: Offline
Points: 666
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Posted: 18-February-2004 at 00:51 |
Timray wrote:
Paul, point taken. BTW, I used to have an Alpina C2 2.5 with the 4.1 diff factory-fitted (well, Alpina-fitted) and the result, with a factory dogleg box, was 0-60 in 6.7 and a top speed limited by the gearing to 141mph. All from 190bhp.
The gearing did not feel too low at the time, but today it would, because we are used to higher gearing in more recent cars. The only problem was that the dogleg box had a conspicuous gap between 2nd and 3rd and the engine fell out of the power band unless you were somewhere near the red line in 2nd.
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For track use the 4.1 would be fine, but like you say i was thinking of it in a practical road application where it would have made the car a pain to drive on motorways etc.
Good luck with the search.
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