Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #1
    Join Date
    Feb 2011
    Location
    Valparaiso, IN
    Posts
    3,595

    150 amp alternator upgrade

    My voltage had dropped to the low 12s at idle. Read that a 150 amp (vs the 120 in the zhp) from an '05 325i fits perfectly if you have the oval connector. They're around $120 at autozone too, so significantly less.

    Popped it in this afternoon and it's doing just dandy! Back up to just under 14v.





    Part number 1108
    http://www.autozone.com/external-eng...8_100967_3001/

    Sent from my iPhone


  2. #2
    Join Date
    Jan 1970
    Location
    Southern California
    Posts
    18,064
    Alternator that easy to switch out?

    Sent from my SM-G900V using Tapatalk
    Randeaux/Rando/John/jr - '06 Cic ZHP; Southern California
    "ZHP or not, I still like you"


    ZHP Performance Package, Cold Weather Package, Leather, Jet Black/Black/BlackCube, NAV, Anthracite Black "my individual" interior trim
    ESS Stage 1 Twin Screw Supercharger, Sprint Booster, BMW Perf Intake, Magnaflow Exhaust, Dinan TB & STEP S/W, UCC Sway Bars, Apex EC-7 18x8.5 ET38
    Suspension: AST 44100 dampers, Bimmerworld front adjustable end links, Swift springs (8K front, 10K rear), Vorshlag camber plates
    Dynavin D99+, Hardwire V1 (w/V1 Connection), BSW Stage 1 Speakers, Kicker Amp/Subwoofer
    BMW Performance Strut Brace, Orion V2 Angel Eyes, No-holes License Plate, SMG Paddle Shift Mod, Besian VANOS, Gold DISA, Fan Delete, M3 Side Mirrors
    Note: Actual car no longer resembles signature picture

  3. #3
    Join Date
    Sep 2011
    Location
    San Francisco, CA
    Posts
    6,847
    Quote Originally Posted by johnrando View Post
    Alternator that easy to switch out?

    Sent from my SM-G900V using Tapatalk
    It's pretty darn easy on a manual. The Auto requires the fan to be removed.

  4. #4
    Join Date
    Jan 1970
    Location
    Southern California
    Posts
    18,064
    I don't have 2 fans anymore. Fan delete FTW

    Sent from my SM-G900V using Tapatalk
    Randeaux/Rando/John/jr - '06 Cic ZHP; Southern California
    "ZHP or not, I still like you"


    ZHP Performance Package, Cold Weather Package, Leather, Jet Black/Black/BlackCube, NAV, Anthracite Black "my individual" interior trim
    ESS Stage 1 Twin Screw Supercharger, Sprint Booster, BMW Perf Intake, Magnaflow Exhaust, Dinan TB & STEP S/W, UCC Sway Bars, Apex EC-7 18x8.5 ET38
    Suspension: AST 44100 dampers, Bimmerworld front adjustable end links, Swift springs (8K front, 10K rear), Vorshlag camber plates
    Dynavin D99+, Hardwire V1 (w/V1 Connection), BSW Stage 1 Speakers, Kicker Amp/Subwoofer
    BMW Performance Strut Brace, Orion V2 Angel Eyes, No-holes License Plate, SMG Paddle Shift Mod, Besian VANOS, Gold DISA, Fan Delete, M3 Side Mirrors
    Note: Actual car no longer resembles signature picture

  5. #5
    Join Date
    Feb 2011
    Location
    Valparaiso, IN
    Posts
    3,595
    Quote Originally Posted by johnrando View Post
    Alternator that easy to switch out?

    Sent from my SM-G900V using Tapatalk
    Hardest part is wiggling the old one out. I've done it a few times, but taking my time it took a solid half hour.


    Sent from my iPhone


  6. #6
    Join Date
    Jan 1970
    Location
    Southern California
    Posts
    18,064
    Thx

    Sent from my SM-G900V using Tapatalk
    Randeaux/Rando/John/jr - '06 Cic ZHP; Southern California
    "ZHP or not, I still like you"


    ZHP Performance Package, Cold Weather Package, Leather, Jet Black/Black/BlackCube, NAV, Anthracite Black "my individual" interior trim
    ESS Stage 1 Twin Screw Supercharger, Sprint Booster, BMW Perf Intake, Magnaflow Exhaust, Dinan TB & STEP S/W, UCC Sway Bars, Apex EC-7 18x8.5 ET38
    Suspension: AST 44100 dampers, Bimmerworld front adjustable end links, Swift springs (8K front, 10K rear), Vorshlag camber plates
    Dynavin D99+, Hardwire V1 (w/V1 Connection), BSW Stage 1 Speakers, Kicker Amp/Subwoofer
    BMW Performance Strut Brace, Orion V2 Angel Eyes, No-holes License Plate, SMG Paddle Shift Mod, Besian VANOS, Gold DISA, Fan Delete, M3 Side Mirrors
    Note: Actual car no longer resembles signature picture

  7. #7
    Quote Originally Posted by derbo View Post
    It's pretty darn easy on a manual. The Auto requires the fan to be removed.
    +1

    Quote Originally Posted by johnrando View Post
    Alternator that easy to switch out?

    =============================

    I don't have 2 fans anymore. Fan delete FTW

    Sent from my SM-G900V using Tapatalk
    Then with your car, yes.... it's easy


    I'm wondering what the long-term effects of going from 120amp to 150amp will be on the electrical system?

  8. #8
    Join Date
    Feb 2011
    Location
    Valparaiso, IN
    Posts
    3,595

    150 amp alternator upgrade

    Quote Originally Posted by cakM3 View Post
    +1



    Then with your car, yes.... it's easy


    I'm wondering what the long-term effects of going from 120amp to 150amp will be on the electrical system?
    I was kind of wondering that too... From what I've read, nothing. Anyone know more about electricity than me? My humorously limited knowledge tells me that amps are more like gallons of fuel in the tank, whereas volts are likened to the octane?

    Plus, I figure if it was stock for the 05' 325, it probably is just fine.


    Sent from my iPhone


  9. #9
    Quote Originally Posted by ryankokesh View Post
    I was kind of wondering that too... From what I've read, nothing. Anyone know more about electricity than me? My humorously limited knowledge tells me that amps are more like gallons of fuel in the tank, whereas volts are likened to the octane?

    Plus, I figure if it was stock for the 05' 325, it probably is just fine.


    Sent from my iPhone
    My guess is that you should be okay especially if you have a lot of electrical loads in the car but then I'm no BMW electrical wizard.....

  10. #10
    Join Date
    Feb 2011
    Location
    Valparaiso, IN
    Posts
    3,595
    Autozone.com
    Quote Originally Posted by cakM3 View Post
    My guess is that you should be okay especially if you have a lot of electrical loads in the car. Custom car stereo and such....
    That's actually one reason I wanted to do it. That thing is swimming in electronics, plus an additional small sub...


    Sent from my iPhone


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