85-88 BMW E23 E24 E28 535 533 633 635CSi 733 735 ECU ECM 0261200059

Vendor: BMW
Type: ECU

BMW E23/e24/E28 ECU 

1988 BMW 535i All All  
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1986 BMW 535i All All  
1986 BMW 635CSi All All  
1986 BMW 735i All All  
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1985 BMW 535i All All  
1985 BMW 635CSi All All  
1985 BMW 735i All All



Up for sale is a Working, in excellent condition BMW E23 ECU. Bosch Part number-- 0 261 200 059 (0261200059) . Clean, dry removed from a recently lightly crash damaged car.  car ran, but was written off as an insurance total.  Unit comes with a 30 day functionality warranty.

This unit for sale is an original used unit - fairly low mileage too, removed from a recent insurance total, crash damaged car. This unit offers a 30 day functionality warranty. As always with this type of component your best bet is to match the part number to the one on your original ECU. A faulty ECU is one of the most common no start or random stalling problems with these cars. These can also cause issues with erroneous check engine lights, idle control problems as well as emission control & cold or hot start problems. I have also seen fuel pump relay turn on faults (ECU won't turn on the fuel pump), as well as an condition where the high speed injector driver has failed. This causes the car to sit and idle fine, but it won't accelerate.If your car does not have these issues but you intend to keep it a while, I recommend our customers keep an extra ECU in the trunk. These units now have to be special ordered from most dealers new for big $$ (often times over $1000!), and you can never find one when you need one. Even now finding a good one second hand is getting to be quite difficult as these cars get older.

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