Announcement

Collapse

POST YOUR THREAD IN THE CORRECT FORUM

The General Discussion forum is NOT a catch-all.

Please post your topic in the correct subforum.

Technical questions do not belong in General Discussion, neither do body kit or wheel fitment questions. If you don't know where to ask your question, post it in General Technical and we'll move it to the appropriate subforum if necessary.

This helps keep R3VLimited nice and organized so others can more easily find what they are looking for.

Thank you,
R3V Staff
See more
See less

Clean your injectors - before and after measurements...

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • drum4fun27302
    commented on 's reply
    Mine work just fine , thank you very much.

  • agisthos
    replied
    Originally posted by Kershaw View Post

    $30 each? Lol.

    I hope they're in better condition than the remanufactured set you can get on ebay for $65. https://www.ebay.com/itm/Genuine-Bos...6/282068177508
    Like I said above, they could just be aliexpress injectors purchased in bulk. They look new. I would pull your own from your car or a yard, and have them rebuilt yourself. And not just rebuilt, which anyone can do, but properly ultrasonic cleaned.
    I doubt you can get this done for $60 though, probably $20 USD each.

    Leave a comment:


  • agisthos
    replied
    I did come across some other injector rebuild/cleaning places, and they were $45-50 AUD per injector, not $30 like KPM.

    I was going to buy a new set of injectors. but because they are early 80's rare, the genuine Bosch are selling for $300+ each. There is also much cheaper sources online. The problem is, there is a huge market of chinese counterfeights that can be purchased on aliexpress for $10 each. So when you see some online vendors who have 'new' injectors for $50 USD, I call bullshiite. Its obvious they are selling the fakes. Same numbers and logos in many cases.

    The more i looked into it, the only way it seemed to get genuine was to buy the $300+ ones, or get 2nd hand from a wrecker and have them cleaned/serviced. So I chose the later.

    I'm not sure what the price/supply situation is with the Motronic E30 injectors, which should be more readily available than the Jetronic ones.
    Last edited by agisthos; 08-21-2019, 12:17 AM.

    Leave a comment:


  • lukeADE335i
    replied
    Remember that we're in Australia - so the price you quote there for us including shipping is $128USD or $189AUD at the moment.

    $30AUD per injector for a clean and rebuild including new seals and filters is pretty much the going rate here. A new set of Bosch injectors for a BMW 6 is somewhere between $360 & $500 depending on source.

    Leave a comment:


  • Kershaw
    replied
    Originally posted by agisthos View Post
    KPM Performance at Edwardstown, just off South Road. $30 each, a bargain.
    $30 each? Lol.

    I hope they're in better condition than the remanufactured set you can get on ebay for $65. https://www.ebay.com/itm/Genuine-Bos...6/282068177508

    Leave a comment:


  • Nick_S
    replied
    Originally posted by drum4fun27302 View Post
    A video with real data from them would have been nice.
    Go get yours done and report back with a video.

    Leave a comment:


  • drum4fun27302
    replied
    A video with real data from them would have been nice.

    Leave a comment:


  • agisthos
    replied
    I just remembered I put this car off the road in 2006. So these injectors only had 22 years of use on them. And the last year of that was under my ownership, always using premium octane fuel and running fuel system cleaner regularly. Most E30 now over 30 years.
    Last edited by agisthos; 08-20-2019, 03:26 AM.

    Leave a comment:


  • laidback93
    replied
    Iíve got to get this done eventually. My hope is that it would solve my rough idle problem. Everything has been replaced and checked including vacuum leaks which there are none of. Thanks for for sharing.

    Leave a comment:


  • agisthos
    replied
    KPM Performance at Edwardstown, just off South Road. $30 each, a bargain.

    I have another 4 being done right now, and will match a perfect set of 6 out of 9 tested.

    Leave a comment:


  • lukeADE335i
    replied
    Looks a good result! Where did you get your injectors rebuilt? I may also get mine done sometime soon.

    Leave a comment:


  • agisthos
    replied
    Injector 2 had a wild variance of 60/120 vs 86.5/173 when cleaned. The others not so bad, but still bad.

    Leave a comment:


  • Clean your injectors - before and after measurements...

    I just got my injectors ultrasonic cleaned, flushed forward and back, and rebuild with new filters and rings. No doubt they had not been done before.

    Here is the test chart showing before and after flow rates. These injectors are the early 80's Jetronic ones, but the same variance can apply to all injectors after 30 years of age.

    Click image for larger version

Name:	IMG_0296.JPG
Views:	266
Size:	109.3 KB
ID:	9862712

Working...
X