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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 12-19-2003, 05:48 PM   #1 (permalink)
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Hi. Thinking of buying my first Beamer ( '84 325e ) for cheap because it has a new engine and lots of new parts. I took it on a test drive today and when shifting, there was LOTS of play in the gearbox. When I left the carport, I was in in 1st instead of Reverse and almost took out the back wall of the guy's carport!
I couldn't tell if I was in 1st or 3rd, as there was virtually no tension on the stick.
The stick didn't spring to the center in neutral, or when shifting between gears, it just stayed where I left it. This made it difficult to find the gear slots, but not impossible. I could still drive around the block and got it into 3rd and back down ok. Can anybody tell me what the problem might be? The owner has papers saying the clutch was done 5 years ago, and he claims the tranny is fine. He says it could be the "linkage". I'm not sure what this means or what it could cost. Is the linkage inside or outside the transmission? Should I buy the car, or run? Can anyone help out?


Thanks in advance,
Mark
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Old 12-19-2003, 05:56 PM   #2 (permalink)
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tell the guy youll buy it if he fixes the shifter problem, its probably only the bushing. but get what you can fixed.

welcome to the forums mark
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Old 12-20-2003, 01:54 AM   #3 (permalink)
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Yep, welcome to the forum.



Short Shifter


I use the UUC and the roller bearings and it is smooth.
I have the length of the shifter set to the lowest possible.
It is as very good but if I did want even smoother I could use a weighted shift knob, see the UUC site.



This is a BAS.


It will remove all play.



But if budget limited:



The distance above the pivot point if short will make the throw shorter.

Just like a teeter-totter on the kid’s playground.

Also if the shifter is longer below the pivot point it moves farther for the same distance movement above.

So both will change the shifting.

You should not require a new rod from the shifter to the transmission unless you have the Guibo mounted balance, then clearance can require a change or rod modification.

You can reuse your plastic bushing also but you will need to cut it on one side plus the washer and thread the spring off. I would also recommend a lot of white lithium grease to provide long term health.

I would recommend the z3-2.8/3.0 as the best of both worlds.
Shorter on the top, 4 inches to the pivot point, and somewhat longer on the bottom.


These will mount in the e24 both the sheet metal, early up to 87, and the extruded aluminum shifting plates, after 87.

This is a DIY project for most e24 owners.

The Z3 has a slight bend and is more ergonomically correct. It puts the knob a little aft of the others.

Distance from the pivot to the lower rod bearing point is the major change in shortening the shift distance. Remember any change in length is increasing the needed force.

Here are the P/N for the later extruded shifter

(1) 25-11-1-221-977 (E36 M3 shift lever) - $35.40
”(1) 25-11-1-220-832 (bushing) - $9.20”
(3) 25-11-1-220-439 (yellow spacer) - $0.41 each
(1) 25-11-1-220-379 (clip, i think) - $0.56
(1) 25-11-7-501-309 (front joint assembly) - $18.32
(2) 25-11-1-221-243 (O-ring) - $1.00 each
(1) 07-11-9-932-863 (lock washer) - $0.06
”(1) 25-11-1-220-912 (front console bushing, i think) - $9.68 “
(1) 25-11-1-469-397 (shift lever plastic cup) - $5.96
(1) 25-11-1-220-837 (reverse light wire retaining clip) - $0.30
”(1) 25-11-1-220-707 (rear shift console support) - $14.80”
(1) 07-12-9-946-400 (hex nut) - $0.20
(1) 25-11-1-203-682 (bushing of some sort, possibly felt tab) - $1.20
(1) 25-11-1-434-194 (washer) - $0.40

Total Cost: $99.31
“” are those not required for earlier sheet metal shifters. Before 6/1987.

For sheet metal shifters here are the additions:

(1) 23-41-1-466-110 (Upper sheet metal plastic bushing) requires cutting to install.
(1) 25-11-1-207-744 (Lower plastic bushing) big wear point.
(1) 25-11-1-204-422 (Aft shifter rubber mount)
(1) 25-11-1-220-581 (Rubber dust cover) gets torn every time, needed?

Later,
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Old 12-20-2003, 02:45 AM   #4 (permalink)
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this is amazingly great information, well done ron.
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