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E34 (1989 - 1995)

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Old 04-19-2016, 03:13 AM
cramjet cramjet is offline
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Location: Perth, Australia
Join Date: Apr 2016
Posts: 1
Mein Auto: e30 325i, e34 540i
e34 540i Auto question

Hi guys,

Just registered as I am in the process of getting the parts together for a 6 speed swap for my 540. I'm looking at having a lightweight flywheel developed & produced locally as it would work out much cheaper than one from Turner or IE given the postage to one of the most remote cities on the planet!

I have managed to find a flex plate which he will use to take measurements, but the engineer seems to think there is a spacer that sits between the flex plate & crank. The mechanic I bought the flex plate from disagrees, but doesn't remember very well.

Is there a spacer behind the flex plate on a e34 540i auto? If so, could someone measure the thickness to within .5mm for me?

On that note, hopefully Rama of RHD will soon have 240mm lightweight flywheels for around $300AUD
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Old 04-19-2016, 06:01 AM
TheEinstein's Avatar
TheEinstein TheEinstein is offline
Officially Welcomed to the 'Fest
Location: Denver, CO
Join Date: Mar 2014
Posts: 1,854
Mein Auto: E34 540i
The auto flywheel/flexplate has no spacer between it and the crankshaft hub. Not on mine or another engine I tore down anyhow. Now as for the manual, again, not that I'm aware of, but maybe someone else will know for sure on that. You can always play around with realoem.com.
1995 E34 540ia
160,000 Miles
VIN# ...GF32404
Hellrot Red


My Basic Repair History (Edited 1/27/2015)

Ongoing comparison between two E34 540ia's

OBC4 Hidden Functions : Link
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Old 04-19-2016, 01:48 PM
paul1733 paul1733 is offline
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Location: perth western Australia
Join Date: Jul 2014
Posts: 684
Mein Auto: 2 x 1988 bmw 525i's
Welcome fellow Westralian, here is all the information you need hopefully.


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