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Thread: 330Ci ZHP

  1. #121
    Ninja Messiah kung fu jesus's Avatar
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    Bought this car 1 year ago today. I still look over my shoulder at it after parking. It is still a handsome car to me.

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  3. #122
    6,000 rpm - mere mortals would shift HarryB's Avatar
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    E39 & E46 are peak BMW design for me

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  5. #123
    Ninja Messiah kung fu jesus's Avatar
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    I won’t disagree.

  6. #124
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    Small break in the heat wave we have been experiencing. It was a mild 90 degrees instead of 100. It is supposed to be worse this coming week so I changed the oil early. 2500 miles down and the car barely consumed any oil.

    I ran over some car trim on the freeway about 6 weeks ago that tore up one of the splash guards on the passenger side. Normally not a big deal, but it protects some electronics and helps guide air to the front right brake rotor.

    I had ziptied it into position because it had flipped into the wheel and the tire ate it up.






    Splash guard removed:







    I bought an aftermarket replacement. It has been rolled up in a box for about a month, so I laid it in the sun to relax and re-shape itself.



    I reinstalled it while the oil was draining. Not terrible.





    While I was already acclimated to the heat, I changed the oil on my wife’s Toyota RAV4 and rotated the tires. According to my notes, it has been 13 months since I did that and she only drove 2000 miles. She is back to seeing her clients in person so I wanted to get it up to date.

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  8. #125
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    I am balls-deep in a maintenance reset. Long update soon!

    It isn’t sexy, but really satisfying to my peace of mind.

  9. #126
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    330Ci ZHP

    The starter bendix has been sticking occasionally for probably about 6 mos. Car always starts, but it sounds terrible. I know it would fail sooner than later. The recommended method is either changing it from the top or underneath.

    Since I still need to replace the rest of the coolant hoses under the intake manifold, the top method will be how I do it.

    Parts to replace:
    Starter
    Coolant hoses under the IM (six)

    While I am in there, I will also replace the PCV system. In typical BMW fashion, this is waaaay more complicated than it needs to be. They call it a CCV system. This is prone to failing, causing oil consumption, leaks, and it creates a mess. Preemptively replacing this is just good practice considering the age and mileage.

    So, “while I’m in there”, I will also be replacing:

    CCV system (8 parts)
    Oil pressure switch
    Crank position sensor
    Oil temp switch
    Coolant temp switch
    Air/vacuum distribution seals
    Throttle body gasket
    Intake manifold gasket
    Dipstick O rings (3)
    Clean fuel injectors
    Injector O rings
    All vacuum hoses

    Fortunately, BMWs of this era use positive release connectors in the electronics and coolant fittings.

    Let’s get this party started. Removed the airbox, strut tower brace.




    All this Is basically coming out:


    IM is out:


    Now I have room to cha cha real slow.


    Let’s pause and talk about garage upgrades. I recently added air con to the space, so it was in the low 90’s (32-35 C), humid, typical Atlanta summer weather. I also insulated the garage door.

    So while it is this outside


    It is this in the garage

    https://youtube.com/shorts/1a_p5dzxOpA?feature=share

    I also added an Alexa dot, so I can jam out handsfree, which is great!

    Enough jibber jabber, back to work! I managed to get the starter out. There was some struggle, but I got it. So glad to have a cool dry environment for that.


    I see you, flywheel.


    Brand new starter installed, no remans, please.


    Having the starter out made changing the crank position sensor a breeze. It was working fine, but it’s better to replace with a quality replacement AND have a known good spare, especially in this time of shortages and supply chain issues.


    Next, I turned my attention to the fuel injectors. They were very clean, so even testing them in a rigged up bench system, the patterns were good and even. Wish I had taken pics of that, but it was just a 12v battery, leads, tubing, and some solvent. Slapped on new o rings, reinstalled back in the fuel rail, and set it aside.




    Oil pressure sensor is next


    Cleaned the air/vacuum distribution plenum, new o rings, this is also part of the PCV system.




    Refurbed the dipstick, new seals. The short tube is part of the PCV system, also replaced.


    New upper intake boot, known for cracking. New on top, old on bottom.


    Transferred over jubilee clamps and set aside.


    Next up, oil and coolant temp sensors. These are the same parts.


    Coolant temp sensor in the head.


    Oil temp sensor in the block.




    Time to start replacing coolant hoses, yay! There are two hard plastic hoses that plug into the head about an inch. They were turning brown, like a plastic miata radiator dries when it gets brittle. Definitely caught these in time!



    When I removed these two, their nipples broke off in the head. Fortunately, I was able to dig them out relatively quick. New one on left, old on right. This demonstrates how much broke off in the head.


    This is the box of discarded old parts. This grew at an alarming rate.


    Next installment soon!

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  11. #127
    4,000 rpm - entering the fun zone ScratchNSniff's Avatar
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    Love the attention to jobs literally EVERY time I open up this thread!!!

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  13. #128
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    Thank you, sir! I appreciate that!

    Continuing with the reset, Day 1…

    The throttle body needed some love. This was before:



    This was after.


    Idle speed controller up next!

    Getting a little sooty.


    After


    All the rubber vacuum pieces were perished. It was a matter of time before I developed leaks. This stuff was dried out and crumbly.



    That includes the rubber caps on the intake manifold.


    Looking closer…


    D.E.A.D.


    Had this little box of rubber caps, total life saver.


    I ended the day tidying up the engine bay. It was already very clean.




    The next morning, I headed out to get a coolant system pressure tester. I sure didn’t want to put everything back together only to find I didn’t seat one of the hoses well enough.

    Back in business!


    I assembled the PCV system to the IM.




    Wrapped up the cooling system and tested it before reinstalling the manifold assembly.


    No leaks! Good to go ahead and install the manifold.






    Then I found out I forgot to connect one little hose. It was a quarter inch purge hose to the back of the manifold. Yes, the manifold had to come back off.



    There were a few (a lot) profanities mumbled (yelled). I may have disparaged German engineers as fornicating female parents. I dunno, I may have just blacked out.

    A few hours later, I buttoned up the engine bay, bleed the coolant system, took a deep breath, and prayed to Xenu for an easy start with no codes.

    https://youtu.be/wYjh2CkFvn0

    Success! The starter sounds healthy, the engine runs smooth, best yet, no codes.

    I cleaned up the garage, put tools away. Exhausted, I stumbled into the house to take a shower and pet my dogs.



    I figure this job saved me about $1000 doing it myself.

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  15. #129
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    330Ci ZHP

    Sit rep: car runs exceptional. New starter spins faster, throttle resolution is much sharper, low-mid range is definitely much stronger. It digs from a stop noticeably harder. Feels great!

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  17. #130
    Individual-1 ☚ ☻ ☛ Agent☣Orange's Avatar
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    Have you ever tried a throttle controller like Pedal Commaner? https://pedalcommander.com/


    No todo que es oro brilla.

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  19. #131
    6,000 rpm - mere mortals would shift HarryB's Avatar
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    This kind of stuff is therapeutic. Have you by any chance stumbled upon this guy yet?
    https://www.youtube.com/c/M539Restorations
    Think you gonna like him.

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  21. #132
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    It has shown up in my YT feed but haven’t watched yet. Thanks for the rec!

  22. #133
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    330Ci ZHP

    Quote Originally Posted by Agent[emoji1282
    Orange;243761]Have you ever tried a throttle controller like Pedal Commaner? https://pedalcommander.com/
    No, BMWs TBW is actually pretty good. That may be helpful on a lot of the Toyota/Lexus products I have owned. Their TBW are difficult to modulate, especially from a stop or a slow roll.

  23. #134
    Ninja Messiah kung fu jesus's Avatar
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    I was monitoring my settings in the Torque app tonight. The car ran fine before all this but I noticed the fuel trims are running pretty much perfect. I suspect cleaning the TB and ISC, and replacing the last bits of rubber on intake and vacuum systems probably eliminated some very, very minor leaks that had been creeping in. Not enough to throw a code, but enough where the fuel trims we’re adjusting to compensate.

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  25. #135
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    330Ci ZHP

    RIP undertray.

    I must not have attached one side properly. On a short Highway blast after making repairs above, the passenger side dropped to the road.

    This corner rubbed off in short order.


    What could this possibly be?


    Old vs new. Fortunately, FCP Euro had them on sale (with their lifetime warranty) for $135 shipped. Really not that bad! I was expecting $200. This piece is not only handy for keeping water out of the engine bay, but crucial for guiding air through the proper openings for the radiator and condenser.


    Road kill


    These under trays use ‘speed screws’. They screw into those pinch clip-type nuts underneath in about 1 turn. These make removal/install really easy, but I just didn’t check my work as this was literally the last part to reinstall after a long job.


    I removed these from the old tray to re-use elsewhere. They are super-handy.


    I quartered the old tray handily with a cordless sawzall to recycle (and fit in the bin)

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