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    I’m joining the club

    I’ve been following these n52 builds for a while and am super excited to have acquired a 2006 330i with a RWD manual transmission within last 24 hours.

    Here is a quick picture for now:





    Happy holidays, everyone! I look forward to rebuilding and swapping this into my 1990 325i.

    Edit1: 12/24/22

    Some background information:

    I purchased my 1990 325i (auto) from the original owner back in August 2019. She had mentioned she stopped driving it because she inherited a Honda Civic and the 4 cylinder was great on mileage compared to the BMW.

    Per CARFAX, the last recorded information was on 3/20/2009 with 127,491 miles (odometer stopped here).
    Per AAA / DMV representative, it was placed on NPO 6/29/15.
    Assuming she kept up her average miles per year from 1990-2009 and projecting forward to 2019, it would have less than 200,000 miles.

    Over the last 3 years it spent a lot of times on jack stands as I performed 80-90% of the work. From timing belt, to cooling system (radiator, hoses, heater valve, heater core), suspension (Garagistic reinforced subframes, bushings, Bilstein B8 + H&R sport springs, rebuilt the brake calipers), Strömung exhaust, and finally some fun stuff like a Z3 rack, Mod.07 steering wheel, and F22 seats.

    This is not only my first BMW, but also what I would consider my first project car. I’ve always had an interest in cars, but never the space for it. I’ve also never worked on a car to this extent. It’s been a great learning tool and I hope to continue to learn, grow, and contribute back to the community as I have learned so much already.

    Original goal:

    Manual swap + daily driven reliability on the M20, keeping it simple with no interest in tracking the car… at least not yet. But over the past year or so, I’ve been infatuated with not just an N52 swap, but one with all the electronics working, such as CAS/CANBUS to get my F22 seats properly working among other ambitions. Oh and one minor detail, because I live in California, the swap would also need to be CARB legal (must maintain all emissions related equipment / accessories). One last detail, it had to be a 2006 330i or equivalent due to its higher HP output. Realizing that if I wanted all of the above, it would be easier to find a local mechanic’s special as opposed to CoPart. Ideally, the car would still be running and I would be able to test drive it, perform a compression and leak down test, etc. I’ve been searching almost daily for the past few months, most of the time if I found something within my price range it would be an automatic, quite frustrating.

    Updated goal:

    Story goes, car was getting kicked out of its storage spot and project had to be abandoned by owner. A known issue of rod knock was disclosed. Without getting into all the details, the car arrives with much to be desired, most of the interior or items of worth have already been stripped. The ideal gut checks were all removed, no test drives, compression or leak down tests. I was caught off guard and smitten by the idea of finally finding a swap candidate.

    I’m taking this as a large learning opportunity. I plan to fully tear the down motor, down to its rotating assembly and rebuild everything within reason. This will give me peace of mind when it goes into the E30. The timeline will definitely be drawn out further because of this, so I hope I don’t come across too many obstacles along this journey.

    Running Cost: https://tinyurl.com/4xtd59ee


    Sent from my iPhone using Tapatalk
    Last edited by projectJTv4; 12-28-2022, 02:26 PM.

    #2
    California specific

    Smog Check Reference Guide 2019, Appendix D: State of California - Engine Change Guidelines

    I. Non-OBD II1 certified vehicles receiving an OBD II certified engine must meet the following:
    a. The donor engine must be in a stock certified configuration, and support ALL the certified OBD II functionality
    b. Modifications of the intake and exhaust system are permissible only if necessary to accommodate the packaging of the vehicle and only if they do not affect the functionality of the systems. Any changes must not modify the stock functional design of the components (i.e. the intake air box must not be modified, EGR valves still properly mounted, etc.)
    c. The transmission and evaporative systems will be allowed to remain in the recipient vehicle configuration, but must function appropriately (see i below) 1 OBD II was phased in, and generally applies to model years 1996 and newer for gasoline vehicles, and 1998 and newer for diesel vehicles. The Vehicle Emission Control Information label for the vehicle will indicated if it is OBD II certified. Appendix D 46
    d. ALL of the requirements (a-i) listed below for “All model year vehicles”




    II. Vehicles originally equipped with OBD II must receive an OBD II certified engine and meet the following:
    a. All emission system configurations must be in the original emission control system configuration as the donor vehicle, including, but not limited to, the transmission, evaporative system, exhaust, and intake
    b. ALL of the requirements (a-i) listed below for “All model year vehicles”




    III. Electric vehicle conversions must meet the following:
    a. Vehicles converted to 100% electric drive, with power supplied exclusively by onboard batteries, are considered in compliance with the engine change requirements provided:
    i. All fuel system components are removed prior to inspection, including the fuel tank, lines and evaporative system
    ii. No fuel-fired heater is installed on the vehicle
    b. None of the requirements (a-i) listed below for “All model year vehicles” apply to electric vehicle conversions




    IV. All model year vehicles (gasoline, diesel, hybrid, CNG, LNG, LPG, etc.) must meet the following:
    a. Model Year - The installed engine must be of the same model year or newer than the model year of the recipient vehicle
    - recipient 1990, donor 2006+
    b. Engine Classification - Vehicle and engine classifications of the donor and recipient vehicles must be the same based on Gross Vehicle Weight Rating (GVWR). Classification examples include passenger car, light-duty truck (LDT1, LDT2), light-heavy-duty truck (LHD1, LHD2), medium-duty vehicle (MDV), etc. For example, a heavy-duty truck engine may not be installed in a light-duty truck even if they have the same displacement. Non-emissions controlled engines, such as industrial and off-road-use-only engines, and non-certified “crate engines”, MAY NOT be installed in any emission- controlled vehicle
    - donor = passenger car
    c. Certification Type - The certification type (California or Federal certification) of the engine and recipient vehicle must be the same or, if not, the engine must adhere to the more stringent standard. For example, a California certified engine may be installed in a Federal vehicle but a Federal engine may not be installed in a California vehicle. Proof of the certification type from the manufacturer or CARB EO of the donor engine must be provided at the time of the engine change inspection at the Referee

    d. Smog Check Tests - The vehicle must pass ALL of the following Smog Check tests (regardless of model year) using the donor vehicle Smog Check test type requirements: Appendix D 47

    i. BAR-97 tailpipe test (this item does not apply to diesel and hybrid vehicles). Acceleration Simulation Mode (ASM) test unless the vehicle is not compatible with dynamometer testing. In such cases, the Two Speed Idle (TSI) test shall apply. Emission standards appropriate for the model year of the donor vehicle will be applied. Note that Smog Check Program area test types do not apply to engine changes i.e. Basic area vehicles will receive an ASM test

    ii. BAR-OIS test when an On-Board Diagnostics (OBD II) certified donor engine is installed (ALL Smog Check Program areas)

    iii. Malfunction Indicator Light (MIL) (“CHECK ENGINE" light) must pass the bulb check, and full OBD functionality. This includes donor engines equipped with OBD-I (1995 and older OBD equipped engines) capabilities

    iv. Visual inspection of all emissions control systems Functional tests when applicable for the donor vehicle (this item does not apply to diesel or hybrid vehicles), including:
    1. Ignition Timing Test
    2. EGR System Functional Test
    3. Low Pressure Fuel Evaporative Test (LPFET)
    4. Fuel Cap Integrity Test

    v. Visible Smoke Test (this item does not apply to hybrid vehicles)

    vi. Liquid Fuel Leak (this item does not apply to diesel vehicles)

    e. Exhaust System - All exhaust after-treatment devices (catalytic converters, Diesel Particulate Filters (DPF), Diesel Oxidation Catalysts (DOC), Selective Catalytic Reduction (SCR), etc.) the donor vehicle was certified to use must be present and positioned under the vehicle in the same linear position within the exhaust stream as measured from the exhaust manifold outlet. If the device is integrated with the exhaust manifold, it must remain that way. Tolerances for this measurement as are follows:
    i. On the close-coupled end (nearest the engine), within 6 inches, and no closer than the stock configuration
    ii. On the other devices (rear catalyst, DPF, DOC, SCR, etc.) within 12 inches of the stock configuration
    - use OEM catalytic converters
    No other exhaust system changes are allowed, unless they occur downstream of the last emissions control device i.e. (Oxygen sensor (O2), NOx sensor, etc.). For example, the muffler location(s) may be modified.

    f. Exhaust Sensors - All required after-treatment sensors including Oxygen (O2) sensor(s) must: Appendix D 48
    i. Be within 1 inch of the original location (relative to the associated aftertreatment device)
    ii. Have bungs properly welded into the exhaust pipes and must be oriented in the exhaust stream identically to the original configuration
    - use OEM exhaust sensors
    g. OBD II System - Any vehicle with a replacement engine from a donor vehicle that was originally equipped with an OBD II system must support all OBD II functionality from the donor vehicle:

    i. Calibration Identification (CalID) and Calibration Verification Number (CVN) must match a certified configuration for the donor engine

    ii. ALL supported OBD readiness monitors must be in a ready (complete) condition. Vehicle owners may need to work with the manufacturer, dealer or repair shop with necessary tools and expertise to get potentially difficult monitors to be ready (complete)

    iii. Readiness monitors must clear and reset properly

    iv. The Original Equipment Manufacturer Diagnostic Link Connector (DLC) must be accessible and fully functional. No devices may be plugged into the DLC at the time of inspection. If more than one DLC is located on the vehicle, then the DLC for the engine must be labeled as “ENGINE DLC”. The label must be robust, permanent, clearly readable, and highly visible
    - OBD port
    v. All sensors, switches, and wiring harnesses needed to make the system fully functional must be properly connected vi. MIL must be in a visible location on the vehicle’s instrument cluster and be clearly labeled as a MIL and functioning

    h. Aftermarket Parts - All non-OEM configurations or aftermarket components installed on the recipient vehicle or donor engine must adhere to BAR’s Aftermarket Parts Verification Guidelines located in the Smog Check Manual, Appendix G available at www.bar.ca.gov. CARB’s list of approved aftermarket parts with Executive Orders (EO’s) can be found at https://www.arb.ca.gov/msprog/afterm...es/amquery.php

    i. Emissions Systems - All emissions systems (including the evaporative system monitoring) from the donor vehicle must be installed and fully functional. For example, the evaporative system components, i.e. plumbing, canister, tanks, valves, etc. must be present and functioning. If a non-OBD II certified vehicle is receiving an OBD II certified replacement engine, the transmission and fuel storage/evaporative system from the recipient vehicle may still be used. However, these components and systems must be integrated with the engine’s OBD II system such that the OBD system’s transmission and evaporative system monitoring strategies remain operational.






    Title 13, California Code Regulations, Section 1968.2, Malfunction and Diagnostic System Requirements for 2004 and Subsequent Model-Year Passenger Cars, Light-Duty Trucks, and Medium-Duty Vehicles and Engines (OBD II)

    (4.7) Software Calibration Verification Number

    (4.7.1) All 2005 and subsequent model year vehicles shall use an algorithm to calculate a calibration verification number (CVN) that verifies the on-board computer software integrity in diagnostic or emission critical electronically reprogrammable powertrain control units. The CVN shall be made available through the standardized data link connector in accordance with the SAE J1979 specifications. The CVN shall be capable of being used to determine if the emission-related software and/or calibration data are valid and applicable for that vehicle and CAL ID.

    (4.7.2) Manufacturers shall request Executive Officer approval of the algorithm used to calculate the CVN. Executive Officer approval of the algorithm shall be based on the complexity of the algorithm and the difficulty in achieving the same CVN with modified calibration values.

    (4.7.3) The CVN shall be calculated at least once per driving cycle and stored until the CVN is subsequently updated. Except for immediately after a reprogramming event or a non-volatile memory clear or for the first 30 seconds of engine operation after a volatile memory clear or battery disconnect, the stored value shall be made available through the data link connector to a generic scan tool in accordance with SAE J1979 specifications. The stored CVN value may not be erased when fault memory is erased by a generic scan tool in accordance with SAE J1979 specifications or during normal vehicle shut down (i.e., key off, engine off).

    (4.7.4) For purposes of Inspection and Maintenance (I/M) testing, manufacturers shall make the CVN and CAL ID combination information available for all 2005 and subsequent model year vehicles in a standardized electronic format that allows for off-board verification that the CVN is valid and appropriate for a specific vehicle and CAL ID.


    Smog Check Vehicle Inspection Report (VIR)

    Visual Inspection Result Information
    Result Inspection Category Result Inspection Category
    Air Injection System Catalyst
    Computers, Sensors, Switches, and Wiring Crankcase Emissions Controls
    Exhaust Gas Recirculation (EGR) Fuel Evaporative System (EVAP)
    Fuel Metering System Other Emissions Related Components / Systems
    Turbocharger / Supercharger Vacuum Lines to Sensors / Switches
    Emission Control Systems Functional Check Results
    Result Inspection Category Result Inspection Category
    Liquid Fuel Leak Check ODBII
    Smoke Check
    Sent from my iPhone using Tapatalk
    Last edited by projectJTv4; 02-25-2025, 10:35 AM.

    Comment


      #3
      custom parts check list (categorization and descriptions from realoem)

      engine
      engine housing
      ☐ oil pan
      ☐ baffles
      ☐ dip stick bung
      lubrication system
      ☐ suction pipe
      ☐ adapter
      ☐ pick up
      ​​​​​​​



      OEM / off the shelf checklist
      *all parts from 2006 330i, manual (VB33) donor unless otherwise noted

      engine electrical system
      engine wiring harness
      ✓ 12517563098, engine wiring harness, engine module
      ✓ 12517566976, cable harness injection valve/injection

      fuel supply
      fuel feed
      ✓ 16147229173, control unit for fuel pump
      ☐ connector

      exhaust system
      catalytic converter / front silencer
      ✓18407545308
      ✓18407545309

      engine and transmission suspension
      engine suspension
      ✓ 22116769321, engine supporting bracket left (e85 z4 3.0)
      ✓ 22116769322, engine supporting bracket right (e85 z4 3.0)
      ☐ engine mount


      gearbox suspension
      ☐ gearbox support
      ☐ transmission mount

      driveshaft
      ☐ 26111229565, driveshaft (e46 3 series, auto)
      ☐​

      brakes
      brake master cylinder
      ☐ 1043885-00-A, iBooster gen 1 (tesla s, cr-v, etc)

      pedals
      accelerator pedal module
      ✓ 35426858575, accelerator pedal module, manual gearbox
      ✓ 61138383300, connector
      Last edited by projectJTv4; 02-07-2025, 10:53 AM.

      Comment


        #4
        and this


        Sent from my iPhone using Tapatalk

        Comment


          #5
          last reserve


          Sent from my iPhone using Tapatalk

          Comment


            #6
            Following for updates.
            Should be a fun project!

            Comment


              #7
              Welcome. The more the merrier!

              Comment


                #8
                Congrats and welcome!
                Project Thread | Instagram | Phoenix, Arizona Events Thread

                Comment


                  #9
                  Almost ready to come out. Crane is in place, just need to hook up the load leveler and disconnect the motor mounts!





                  This channel has been pretty helpful: https://www.youtube.com/@buildanddrive

                  Comment


                    #10
                    Good-looking motor!
                    Will look even better in your e30....

                    There's a few basic maintenance tasks you'll want to do while it's out, starting with oil filter housing gasket.

                    For some reason all the manual N52's came with a steel oil pan and automatics have aluminum oil pans.

                    Comment


                      #11
                      Yessir! A full teardown is in its future. I'm already missing a few (key?) components:

                      - transmission wiring harness
                      - slave cylinder
                      - coil packs
                      - intake box
                      - junction box electronics (jbe)
                      - actual keys

                      I'm really anxious to take it apart as I'm certain more surprises are waiting for me...

                      Comment


                        #12
                        Originally posted by projectJTv4 View Post
                        Yessir! A full teardown is in its future. I'm already missing a few (key?) components:

                        - transmission wiring harness
                        - slave cylinder
                        - coil packs
                        - intake box
                        - junction box electronics (jbe)
                        - actual keys

                        I'm really anxious to take it apart as I'm certain more surprises are waiting for me...
                        The only thing you need from that list is the coil packs, intake and the slave cylinder. No transmission harness, no need for keys or the junction box

                        Comment


                          #13
                          Originally posted by hoveringuy View Post

                          The only thing you need from that list is the coil packs, intake and the slave cylinder. No transmission harness, no need for keys or the junction box
                          I 2nd that. Assuming intake box = intake manifold.

                          I could also see a full teardown end up costing more than just looking for another lower milage engine without the knock. Just putting it out there. Costs add up fast, even if you plan on buying used parts. Some parts need to be new as well. Like a couple hundred $$ in aluminum bolts.

                          Comment


                            #14
                            Originally posted by hoveringuy View Post

                            The only thing you need from that list is the coil packs, intake and the slave cylinder. No transmission harness, no need for keys or the junction box
                            Oh... I should really try to read everyone's previous build to see what they used before I buy anything unnecessary.

                            Regards the keys, part of my goal is to have this BAR'd in California. From what I understand, this means I cannot have the EWS deleted. Although I have some read some people mention it depends on the ref; some are knowledgeable enough about BMW's to understand that the EWS delete does not affect the emissions portion of the DME.

                            The other part of the goal is to have the CANBUS running so that my F22 seats will be 100% functional, this is more of a want than a need... haha.


                            Originally posted by LukeJ View Post

                            I 2nd that. Assuming intake box = intake manifold.

                            I could also see a full teardown end up costing more than just looking for another lower milage engine without the knock. Just putting it out there. Costs add up fast, even if you plan on buying used parts. Some parts need to be new as well. Like a couple hundred $$ in aluminum bolts.
                            Actually, I meant the intake box, but realize I don't need that either. Luckily the car came with the 3 stage intake manifold :)

                            That's true, I won't know the true depth of work needed until I crack it open. I will definitely keep in consideration a lower mileage motor, thanks. Part of doing a rebuild is more for me to satisfy my curiosity of how everything works together.

                            With some luck, I hope to have the motor and transmission out tonight.

                            Comment


                              #15
                              After much struggle… I pulled my first motor/trans!



                              I didn’t level the load very well and this got damaged on the way out:



                              Is there anything else worth taking from the chassis, perhaps brake booster or even brake calipers?
                              Last edited by projectJTv4; 02-23-2023, 10:53 PM. Reason: resized photos to 800 px wide

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