'87 325 Stall - BMW Forum - BimmerWerkz.com

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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post #1 of 4 (permalink) Old 03-21-2005, 02:01 PM Thread Starter
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Hey all,

I am a new BMW owner (its been great so far!) and have been having some problems with my car stalling. It happens at seemingly random times - at idle, and at cruising speed. The engine just switches off and thats that - no other symptoms at all, and the car starts right back up. The distributor cap and spark plug wires (and the plugs) were replaced within the last 3 months.

I did some searches on the web and it looks like it could be the BMW's ECU unit (Bosch# 0 261 200 027). That seems like a likely explanation to me. Can any of you experts give me some opinions on what you think might be causing this stalling problem?

Also, if I DO have to replace the ECU, do any of you have reccomendations on where to get one used or reconditioned?

On a completely different subject, can you guys reccomend a performance chip for a stock 325 without any performance mods? I'd like the car to be just a bit peppier.

Thank for your help!

- Ryan
'87 BMW 325
6 cyl, Auto
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post #2 of 4 (permalink) Old 03-30-2005, 05:50 PM
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LGO is an unknown quantity at this point
Before shelling big bucks in a ECU I would recommend (if you have not checked this before)

Replacing all vacuum lines and cleaning clogged passages.
Clean the throttle body.
Veryfying correct working of fuel pumps (the one at the fuel tank and the one under the car), the fuel pressure regulator and fuel filter.
Checking all the sensor connections and sensor readings/adjustments (I believe the Haynes manual says how to do it with a multitester). My dad's car stalled because of an intermittent connection in a sensor.
Check grounding points (after all these years some would be rusty leading to electrical problems)
And checking the distributor cap/rotor arm, which you already did.

As for chips, I don't know.

Hope this helps!
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post #3 of 4 (permalink) Old 04-01-2005, 02:43 AM
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offabroadway is an unknown quantity at this point
Never mind.

I thought I had an idea but I didnt.

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Changed the car's name, now it's - Roxanne -1985 325e
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post #4 of 4 (permalink) Old 04-01-2005, 02:48 PM
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could also be...

malfunctioning fuel pump relay.

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