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  1. Driveline, Performance, Tuning
    2002 330ci w/ a 2005 330i sedan engine Thinking of deleting my SAP and eventually installing catless headers, but not just yet because I have a few problems to address. Has anyone deleted their SAP and kept their stock exhaust manifold. If so, can I delete my SAP without a tune?
  2. E46 General
    2003 330ci I'm hoping someone who has been through this can point me in the right direction. I'm throwing these codes. I've done the following: Removed SAP from the car, applied 12V and verified it is blowing strong, filter is clean, pump is clean Removed SAP valve from the car, applied vacuum...
  3. E46 General
    Okay so I have a 2000 323ci with 208XXX km's & I have been chasing misfires and codes for 2 months now. I have taken it to two indy mechanics and have replaced/fixed a bunch of parts and leaks, but I keep running into the same code... Cylinder #3 misfire (plus an intermittent #6 misfire but its...
  4. E46 General
    Ive been battling to get my car smogged for about a month now. I replaced all the o2 sensors, replaced the dm-tl pump and got that all sorted out. And now, after replacing those 2 things and clearing the monitors and codes, I can get all monitors to set, other than the secondary air pump...
  5. E46 General
    My SAP monitor will not ready for smog. I have: Replaced ALL o2 sensors Replaced ALL hoses involved with SAP system Tested functionality of SAP and check valve Flashed ECU cleared codes multiple times Cold started multiple times and idled for ~ 3-5 min each time checked all fuses including o2...
  6. E46 General
    Hey y’all i’m trying to get my SAP to pass for smog, but I smoke tested the line from the valve that goes to the back of the intake manifold and found a large leak. I then replaced all of the vacuum lines, and re-capped these 2 ports with new caps: Everything seems alright, until I hook up the...
  7. E46 General
    Can a reduced diameter SAP vacuum line cause insufficient airflow codes P0491 and P0492? Over the past few months I have been battling codes P0491 and P0492. I have replaced my SAP pump, SAP valve, and the large diameter hose that runs between them. I have the "simplified" SAP system with all...
  8. E46 General
    This is all because of those hated P0491-2 codes... After trying everything in my power to dislodge the vacuum solenoid from the back of the manifold (including trying to snap off the damned clip), I'm just going to do the intake manifold removal and attend to the CCV stuff, the gaskets and...
  9. E46 General
    Hey there all, I have been thinking about relocating my SAP to #2 on the diagram... http://forum.e46fanatics.com/attachment.php?attachmentid=2926&d=1021914830 In efforts to clean up my bay a little and what not. My question is, will the relocation and addition of hose length give flow rate...
  10. DIY: Do It Yourself
    There was a post somewhere and i thought i would just add my pics to it, but can't seem to find it. This a very easy DIY, you only need a screwdriver, 10mm socket and 1/4 wrench. You also need BMW part number 11121438086 and this is a blanking plate. I was removing it to make room for a oil...
  11. E46 General
    Hey guys, I'm new to the world of E46's. I just bought mine about two weeks ago. I have already replaced both front wheel bearings, and the valve cover gasket. The one problem is a coolant leak. The car runs fine, but the low coolant light worries me that my BMW could be in danger of...
  12. E46 General
    Hey Guys, I have 2000 328i 4dr and am about to purchase aftermarket cat-less headers (live in AZ). Couple questions surrounding the whole idea: 1) What should I do with the SAP system after headers installed? Bypass it by having someone re-program or buy a simulator kit? (from where?) 2)...
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