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E34 (1989 - 1995)

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  #1  
Old 11-30-2005, 07:16 AM
Jaz525i Jaz525i is offline
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Location: Long Island NY
 
Join Date: Oct 2005
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Mein Auto: 93 525i / 85 Mustang GT
1993 525i: m20 or m50 motor?

Just bought this car and if Im not mistaken, I think I've seen the same year list parts for m20 & m50 motors. Its a straight 6 (believe its a 2.5L) but dont want to order wrong parts.

Is there a code stamped on the block or a tag somewhere?

Thanks
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  #2  
Old 11-30-2005, 07:17 AM
bmw325 bmw325 is online now
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Mein Auto: 335i
Its an M50. The M50 was introduced for the 91 MY. You can tell by just popping your hood, if your engine has a black plastic cover w/ silver letters and stripes; its an M50. The M20 looks more "old school", with cast metal intake manifolds, etc. I have no idea why you're seeing parts lists for a 93 car that mention the m20. I don't think that engine was being used anymore in any BMW in 93.

And, I think your engine is actually the M50TU, which introduced single vanos. Look at this thread; it has a picture of an M50 (original non-vanos version);
http://www.bmwcarclubforum.co.uk/for....asp?TID=17770
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Last edited by bmw325; 11-30-2005 at 07:24 AM.
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  #3  
Old 12-02-2005, 07:08 AM
Jaz525i Jaz525i is offline
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Mein Auto: 93 525i / 85 Mustang GT
Thanks for the info and thats my motor. The only thing different is that the pict you posted has a battery in the motor compartment, mine is in the back seat.
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  #4  
Old 12-03-2005, 07:06 AM
bmw325 bmw325 is online now
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INteresitng; I have no idea why the battery is in the engine compartment on the cars in the pics. I thought all 6 cylinder e34s had the battery in the back... maybe the owner made this change...
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  #5  
Old 12-03-2005, 10:09 PM
paintpro21 paintpro21 is offline
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Location: Bay area California
 
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Mein Auto: 93 525i
they tend to mount the battery up front in some european models maybe even all not sure. look at the e46. it has a huge spot for a battery that is empty, since its in the trunk.
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