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  1. Auto Electrical Forum
    Hi I'm hoping someone could possibly help me, I have the OB Battery terminal isolation1 Fault stored in my airbag ecu, I'm a fully qualified car mechanic but have not been working on cars for the last 8 years or so but I still do work I'm the motor industry working for Land Rover in a...
  2. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Does your BMW consume oil? Then watch this video. https://youtu.be/1krl_Q9d9JM
  3. BMW 3 Series Forum - Technical Talk on the BMW E21
    Tires on the rear axle have heavy wearing on the outside half, front axle is fine. Winter tires are absolutely KO, summer tires bought last summer and been used for roughly 5k km have the same uneven wearing too. What might be the cause? Left RTAB was knocking for some while (several months)...
  4. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi First time on and hoping to seek some opinions on a technical problem. Car : BMW 525d M Sport 2005 Saloon On morning the car wouldn't start (no dash lights or even the car trying to turn). AA assessed the car for 4 hours testing battery and fuse and all fine but not able to identify the...
  5. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Which wire is +ve? This is the unit under the rear high level brake light. Photos attached. I am sure it is not getting power now since I fitted a new head unit and want to check pls. Any ideas?
  6. BMW 5 Series Forum - Technical Talk on the BMW E12
    Hi All, I was sloppy and anxious to replace my fuel pump and cut the two wires that go to the fuel pump without taking note which one goes to the positive pole and which one goes to the negative pole of the fuel pump . The color of the wires that goes to the fuel pump are dark brown and light...
  7. General BMW Discussions
    Hi lads, Its time for my e46 320d to change the front break discs. I am thinking about Zimmermann but want to hear some reviews from you about these break discs. Are they good for their price? Or you would recommend something different? And if anyone can give me some links to where did...
  8. BMW 3 Series Forum - Technical Talk on the BMW E46
    I bought a 2005 BMW 320cd SE coupe in March 2011 and have the dreaded low running temperature/mpg issue. The engine emission light also intermittently eliminates for around 10 minutes whilst I am on a long drive. The OBC indicates engine running temperature of 68-71. I had the car remapped...
  9. Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    Just in the middle of replacing my rear speakers in my m3 but I dont know what wire is positive is it the green wire with a black line or the plane green?
  10. Auto Electrical Forum
    Hi, I've read a few posts on this matter so just want to check I'm on the right track. A bit of necessary history first. My brother's 330ci convertible had a flat battery about 2 months ago (it was the original battery). So he took it his local mechanic and got a brand new battery fitted - a...
  11. Auto Electrical Forum
    silly question, but like the title says lol, interior light negative or positive door trigger? having a debate to what it is lol thanks
  12. BMW 3 Series Forum - Technical Talk on the BMW E21
    hiya just like the title says, i have been told its posative and then seen online that people say negative thanks
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