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  #481  
Old February 20th, 2016, 07:26 PM
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Andrew
1994 NAS Defender 90
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I got a new driver's side front wing from Atlantic British. My truck's on it's way to being dent free.

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  #482  
Old February 26th, 2016, 01:21 AM
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Andrew
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Today I put in new spark plugs and installed my new aluminium valve cover.

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  #483  
Old March 2nd, 2016, 01:31 PM
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Andrew
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I decided I'm replacing the wheel bearings when I do the brakes and I researched online on which ones to get. I was going to order Timken, but I found out they're made in China. I read SKF are made in China too. So I decided to get Koyo from Japan (OEM for Toyota). To my pleasant surprise they're made in USA. The other bits like the seals and lock washers I ordered from my LR dealer.



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  #484  
Old March 8th, 2016, 04:03 PM
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Andrew
1994 NAS Defender 90
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I got a nice 95 Wynn's A/C system. So I'll be selling my 94 Diavia system. I can't get it to right now though because the lift arms prevent me from opening the doors. I think this one will probably prevent me from being able to install the engine DME where the old one was up on the bulkhead in the passenger footwell, so I'm going to install it in the engine bay in the Z3 DME box.



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  #485  
Old March 9th, 2016, 09:29 PM
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Andrew
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I tried an Econoseal J connector on one of the NAS lights. It fits, but it's tight and I wasn't sure if it was going to come off. So I got the correct Econoseal III connectors.

Here's the Econoseal III compared to the Econoseal J:



All set.
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  #486  
Old March 10th, 2016, 10:31 PM
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Andrew
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I decided to go a different route with the radiator. I was originally planning on using the one installed in late model 2.8i’s, but the M54 cooling system is different than the M52. The expansion tank needs 2 ports on the bottom rather than one. The M52 expansion tank does have a port on the bottom for the coolant level sensor, but it has a PG 7 thread (Stahlpanzerrohrgewinde) and so finding an appropriate fitting is not possible because the max diameter for those is 12.5mm and the port is about twice that. Also, the late 2.8i fan cowl is unobtanium so I would either have to find one that works or modify one. So I decided I’m going to use an E46 330i radiator and electric fan that comes built into it’s own cowl that mounts onto the radiator. The expansion tank mounts onto the radiator too so I won’t have to find a place for it in the engine bay. I ordered a Nissens 60784A radiator and I selected the brand Febi for the fan and expansion tank (part #s 36663 and 33550). The Febi parts are apparently made in Germany whereas the Hella/Behr are made in China. I guess we shall see. I ordered them from Amazon.de which turned out to cost less than ordering them from a domestic supplier.

Here’s what the cooling system hose routing looks like for the M54 (it’s for M52TU but it’s the same). Where it says IHKA, that's the heater core, and the heat exchanger is only for automatic transmission. The electric fan will be wired to the MS43 DME which controls it based on data from the outlet coolant temperature sensor.
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  #487  
Old March 12th, 2016, 01:47 AM
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After researching some more it looks like Febi parts aren't very good and apparently the Nissens radiator can have some fitment problems. So I decided it's probably best to stick with the genuine parts. I found out on a BMW forum Modine is the manufacturer for the genuine BMW radiator and expansion tank, so I ordered those instead. Bosch is the OEM for the fan, but now those are only available from the BMW dealer and they're about $500. For a little more I can get a larger 600w fan (rather than 400w) that came on the Z4 so I think I'll get one of those. I can probably benefit from the extra cooling when I do any towing or go off-road. Researching all these parts is a lot of work.
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  #488  
Old March 12th, 2016, 06:05 AM
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Jim Cheney
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This is one of the best projects on this whole site in terms of ambition, originality, and quality of execution.
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  #489  
Old March 12th, 2016, 07:07 AM
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Quote:
Originally Posted by JimC View Post
This is one of the best projects on this whole site in terms of ambition, originality, and quality of execution.
Agree.
If Andrew needed a job, thinking there would be dozens of standing offers, regardless of the profession. What company wouldn't benefit with a person sporting these attributes?
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  #490  
Old March 12th, 2016, 09:25 AM
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Quote:
Originally Posted by Chip View Post
Yeah, here's one:
Have been looking for one of these:

https://www.olx.in/item/trax-cruiser...tml#81e35bc03a

Under 4 grand
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  #491  
Old March 12th, 2016, 02:15 PM
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Will Hedrick
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Originally Posted by JimC View Post
This is one of the best projects on this whole site in terms of ambition, originality, and quality of execution.
I agree.
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  #492  
Old March 12th, 2016, 03:21 PM
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Quote:
Originally Posted by JimC View Post
This is one of the best projects on this whole site in terms of ambition, originality, and quality of execution.
Yeah the Econseal III vs J is a great example. J works but isn't factory fit like III.

He makes the tech stuff easy to read as well. Great posts and documentation!
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  #493  
Old March 12th, 2016, 03:53 PM
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Andrew
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Thanks guys.

Quote:
Originally Posted by rdavisinva View Post
Have been looking for one of these:

https://www.olx.in/item/trax-cruiser...tml#81e35bc03a

Under 4 grand
That's really cool. Would you turn it into like a dormobile?
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  #494  
Old March 14th, 2016, 03:07 AM
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Vangelis Leivaditis
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Hello to everyone!

Hi Andrew, awesome project and very helpful step by step guidance.
I have my Discovery 1 LHD under construction with the same engine (BMW M52 dual vanos) on R380 gearbox and i'm thinking of some issues came up...

https://drive.google.com/file/d/0B5u...ew?usp=sharing
https://drive.google.com/file/d/0B5u...ew?usp=sharing
https://drive.google.com/file/d/0B5u...ew?usp=sharing
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  #495  
Old March 14th, 2016, 02:41 PM
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Andrew
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Originally Posted by vanleiv View Post
Hello to everyone!

Hi Andrew, awesome project and very helpful step by step guidance.
I have my Discovery 1 LHD under construction with the same engine (BMW M52 dual vanos) on R380 gearbox and i'm thinking of some issues came up...

https://drive.google.com/file/d/0B5u...ew?usp=sharing
https://drive.google.com/file/d/0B5u...ew?usp=sharing
https://drive.google.com/file/d/0B5u...ew?usp=sharing
Hey Vangelis! Welcome to the forum!

That's very cool you are putting a BMW engine in your Disco. I made this build thread to share information & collaborate on this conversion and share my experience restoring my Defender, but I must stress that I do not intend for it to be used as a guide for others to follow. My project has evolved considerably since it’s inception, and several parts I planned on using early on will not be used. So for you or anyone else doing a similar project I ask that you please do your own research and plan carefully.

That being said, what issues are you having with your project? One thing I’d like to recommend to you is that, due to the work involved, consider installing a M54b30 rather than the M52TU because it is quite a bit more powerful and you'll enjoy the same fuel efficiency. Besides the different wiring harness and ECU, the only addition you’ll need to make is an electronic accelerator pedal. If you are not already aware, keep in mind that you’ll probably need to have your ECU flashed by a tuner to disable certain things like EWS in order for the engine to start and also for it to not enter ‘fail safe’ mode or throw trouble codes. The dual VANOS M52TU and M54 have complicated wiring and electronics, and the ECU flash could end up costing as much as you paid for the engine. So if you want to keep things simple consider installing the single VANOS M52 or S52 which requires no ECU flash as EWS for that engine can be wired or emulated easily.
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  #496  
Old March 15th, 2016, 12:44 AM
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Vangelis Leivaditis
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Quote:
Originally Posted by Chip View Post
Hey Vangelis! Welcome to the forum!

That's very cool you are putting a BMW engine in your Disco. I made this build thread to share information & collaborate on this conversion and share my experience restoring my Defender, but I must stress that I do not intend for it to be used as a guide for others to follow. My project has evolved considerably since it’s inception, and several parts I planned on using early on will not be used. So for you or anyone else doing a similar project I ask that you please do your own research and plan carefully.

That being said, what issues are you having with your project? One thing I’d like to recommend to you is that, due to the work involved, consider installing a M54b30 rather than the M52TU because it is quite a bit more powerful and you'll enjoy the same fuel efficiency. Besides the different wiring harness and ECU, the only addition you’ll need to make is an electronic accelerator pedal. If you are not already aware, keep in mind that you’ll probably need to have your ECU flashed by a tuner to disable certain things like EWS in order for the engine to start and also for it to not enter ‘fail safe’ mode or throw trouble codes. The dual VANOS M52TU and M54 have complicated wiring and electronics, and the ECU flash could end up costing as much as you paid for the engine. So if you want to keep things simple consider installing the single VANOS M52 or S52 which requires no ECU flash as EWS for that engine can be wired or emulated easily.
Hi there,

of course is a different project but similar too...
Thanks for the engine type advise but i prefer the 2,8lt without the electric accelerator and dual vanos for lower rev torque.
Good luck to us!
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  #497  
Old March 15th, 2016, 01:02 AM
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Andrew
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Okay. I couldn't tell what your issues were by looking at your pictures. I agree that's a good way to keep your stock accelerator pedal, but keep in mind the M52TU does not have a mechanical throttle. It's electronic like the M54. The difference is that the potentiometers are located on the throttle motor rather than on the pedal. So the throttle cable actuates the potentiometers which send signals to the ECU which then controls the throttle.
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  #498  
Old March 21st, 2016, 07:09 PM
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Andrew
1994 NAS Defender 90
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Here's what my Z4M cooling fan looks like on my new radiator. It has a list price of $793.52...



Here's the Z3 ECU box. It's a bit bigger than I thought it would be. Hopefully it'll fit in the engine bay okay. I'm going to put it where the windshield washer fluid reservoir is. I'll get the Puma version that mounts on the left side wheel arch. That little fan goes in the bottom to help keep things cool.



Here's a nice little B+ Junction I'm going to install. That will be nice for jump starts & charging, and it has additional terminals I can connect other things to that need power. And I decided to wire the engine following the power distribution diagrams in the Z3 ETM so I got the Z3 fuse terminal block. A larger 200A amp fuse will go between it and the battery/alternator/starter.

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  #499  
Old March 31st, 2016, 12:14 PM
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Andrew
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I installed a new water pump, thermostat, and intake air distrubutor. I made a hose to attach the M56 valve cover to the M54 air distributor so that the hose that goes to the other side of the air distributor can stay intact, so that there'll be equal pressures across the intake. I used a copper 3/4" 90 degree elbow linked to the hoses with some 3/4" heater hose. I cut the original hoses so that there was the fitting part inside still so that I could tighten the hose clamp onto without crushing the hose. At first I tried heating the hose with a heat gun with the intent of sliding it off and then onto the other fitting, but it just melted and came apart.



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  #500  
Old March 31st, 2016, 01:13 PM
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Bill Adams
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If you must use hose clamps, please use AWAB ones. There are barbed elbows available that are way more secure than a sweat elbow.
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