E30 320i Engine Hunt - 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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#1 (permalink) Old 10-18-2004, 07:18 PM
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We have been trying to solve this for almost a month now.

E30 320i
Head gasket went, due to the driver continuing to drive the car (topping up with water, etc). The head has been replaced with a reco unit (inc cam, valves, etc). The following has been replaced as there was goo through everthing:
O2 sensor
TPS
Idle Control Motor
AFM - Was reconditioned (and has been sent back twice to confirm it is set correct)
Fuel filter.
The fuel injectors were also serviced.

When the engine is cold, the car runs fine, and the mitures can be adjusted correctly. When the engine reaches operating temp, the car starts to hunt, and is slow to respond to throttle movement.

We have put a scanner on the car, and everthing we can see is fine.

Compression is
Cold - 110 115 110 115 110 115
Hot - 120 120 120 120 120 120

The only thing that is strange is the vacuum, which is 8 mercury.

We have checked injector pulse time, and the reference signal, both are fine.

Any ideas??

Thanks
Paul
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#2 (permalink) Old 10-18-2004, 08:54 PM
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i have a complete 318i engine i am selling, complete or for parts if you want to go a bit smaller....but it is in excellent shape..

Mark
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#3 (permalink) Old 10-20-2004, 03:08 AM
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Quote:
Originally posted by Speedy-325is@Oct 18 2004, 06:54 PM
i have a complete 318i engine i am selling, complete or for parts if you want to go a bit smaller....but it is in excellent shape..

Mark
[snapback]213709[/snapback]

Not really the answer I was looking for. Need to get this one up ad running.

Thanks
Paul
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#4 (permalink) Old 10-20-2004, 01:19 PM
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I am not good with cars. But isn't the 320i an E21 not E30?

B the hostess with the mostess chikin!
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#5 (permalink) Old 10-20-2004, 06:57 PM
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It might be, Ive always been told that it is a E30. Does it really matter?

But does anyone have any ideas? This car is really starting to get me annoyed.

Thakns
Paul
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