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Registered User
Join Date: Jan 2016
Posts: 1
loss of power/chugging in 76' 2002

Hello, I'm Fiona.

Below is a picture of my beautiful 76' 2002. My mom bought it in 92 and after she passed I found a 6 page letter asking me to promise to never sell it-- and the deal is on. Plus I love my BMW, and I'm having fun slowly learning how to work on her myself. It's been surprisingly great!

I just got her switched from an automatic to a 4 speed, and after the conversion she was running really rough- wouldn't go over 40 on the freeway and there was this constant pull-back jump thing, like she wasn't get enough gas. A friend and I (the friend being a professional mechanic) swapped out the carburetor and reset the timing, and now it's BETTER but still she won't go over 50 and the jump thing is back. It's like she doesn't get enough gas to the engine, and when i start her in the morning she will constantly stall out till she is warmed up-- sometimes as long as 8 minutes turning her on again and again till she stays running.

Does anyone have any idea what could be happening? I'm in LA, and I'd LOVE to get her back on the road as my day-to-day before it gets too hot and the lack of ac begins to kill me. Anyway thanks everyone! And all hail the 2002"s!

Old 01-24-2016, 11:16 PM
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72doug2,2S's Avatar
Join Date: Jul 2003
Location: FL
Posts: 17,044
My 02 was running rough, now I can't start it. I suspect it is a bad coil/plug wires. The plug wires feel like they're barely on, but I think that is how old school connectors work.

Giving you a bump, sorry I can only commiserate.
My uncle has a country place, that no one knows about. He said it used to be a farm, before the motor law.
'72 911T 2,2S motor
'76 BMW 2002
Old 03-19-2016, 06:46 PM
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JhwShark's Avatar
Join Date: Oct 2009
Location: Pacific Northwest
Posts: 1,027
Hi Fiona,

Great story, I definitely understand your desire to keep it running. I imported my 1st 2002 (a '72 from Holland) in '82 and love the 2002...I do not have the '02 anymore, have a '72 3.0csi I imported a year later.

Your conversion sounds incomplete, did the car perform as expected right after conversion? If not, the mech' needs to complete the job! However, sometimes that is not going to happen...
Please open the bonnet and take some pics: overhead, from the driver-side looking at the carb (try to show vacuum lines), take a pic of the coil area, the distributor, and from the exhaust side.

Your symptoms could be vacuum related?? Does the car idle ok and what rpm does she hold at idle.

'79 928, 85k Opal Metallic
'99 BMW 540i, 97k Titanium
'72 BMW 3.0 csi, 85k km (euro Deutschland '82) Taiga

Last edited by JhwShark; 03-22-2016 at 03:18 PM..
Old 03-22-2016, 11:24 AM
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Registered User
Join Date: Dec 2007
Location: Port Orange Florida
Posts: 93
I had that problem with my Tii and it was the fuel pump. The filter was on the out side of the pump and I think debris from the tank got into the pump and eventually it stopped. I bought a new pump on ebay and put the filter on the in side of the pump. So far so good!
Old 11-29-2016, 06:05 AM
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