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  1. #1
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    Glossary of Terms?

    Is there a glossary somewhere of common terms and abbreviations used for n54 tuning?

    Now updated as a list of acronyms from those who posted in alpha order for reference) -- thanks! I'll add others as they come if helpful as a general resource for noobies.

    A/F =Air-Fuel Ratio

    BPU - basic performance upgrades (kinda like fbo)

    DCI = Dual Cone Intake. Terry, Shiv and a few other sell this item.

    DI = Direct Injection

    DME - digital motor electronics

    ECU = Engine Control Unit

    FBO = Full Bolt Ons. This would be Intake, down-pipes/mid-pipes, intercooler. Most of the "fully modded" people are FBO + tune (obviously) and methanol injection.

    FI = Forced Induction

    IGN ADV = Ignition advance. This is how many degrees before TDC (top dead center) that the spark is igniting the fuel. This is important to watch because on the N54, when knock activity occurs, the ECU "pulls" the timing back, effectively dropping the load that the engine is seeing to a safe level, and reducing power output. A healthy motor that is happy at its current octane and boost level will have no timing "drops".

    LSD- limited slip differential (this one's for you DBfiu Click here to enlarge )

    Meth = Methonal/water injection. Look it up, lots of info, it helps suppress knock and acts as secondary fueling to keep your A/F ratio in check.

    N/A = naturally aspirated

    OBD = On board Diagnostics

    OCC = Oil Catch Can
    Last edited by tom335is; 12-30-2010 at 02:21 PM.

  2. #2
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    No, but sounds like we need to put one together now. Stop giving me work, please?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  3. #3
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    1 out of 1 members liked this post. Yes Reputation No
    DCI = Dual Cone Intake. Terry, Shiv and a few other sell this item.

    FBO = Full Bolt Ons. This would be Intake, down-pipes/mid-pipes, intercooler. Most of the "fully modded" people are FBO + tune (obviously) and methanol injection.

    Meth = Methonal/water injection. Look it up, lots of info, it helps suppress knock and acts as secondary fueling to keep your A/F ratio in check.

    A/F = Air/Fuel ratio. Look it up, and if you are messing with your vehicle you should understand this.

    IGN ADV = Ignition advance. This is how many degrees before TDC (top dead center) that the spark is igniting the fuel. This is important to watch because on the N54, when knock activity occurs, the ECU "pulls" the timing back, effectively dropping the load that the engine is seeing to a safe level, and reducing power output. A healthy motor that is happy at its current octane and boost level will have no timing "drops".

    Knock = Pre-ignition. This is bad, and can cause critical damage. This happens when cylinder temperatures/pressures get too high for the current fuel and the fuel ignites before the spark plug receives its signal. This creates extremely high loads on the engine internals and can cause destroyed bearings, bent rods, melted valves, etc.

    There are more, but I have to go, maybe I'll update later.

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    BBFTW

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    No, but sounds like we need to put one together now. Stop giving me work, please?

    Come on, all the best sits have one... Click here to enlarge

    Every car community has its own lingo...

  6. #6
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    Click here to enlarge Originally Posted by tom335is Click here to enlarge
    Come on, all the best sits have one... Click here to enlarge

    Every car community has its own lingo...
    If you ever hear a term that you can't figure out, post in here and we'll help.

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    DCI through me off till this thread, so thanks... Sure its just a matter of time before I pick it all up

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    LSD - Lysergic Acid Diethylmide
    Meth - Methamphetamine
    DCI - Dichloroiodide

    We lyke drugz... keke
    Some people live long, meaningful lives.

    Other people eat shit and die.

    I'm not racist, I hate everybody equally; especially fat people.


    Click here to enlarge

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    Yes Reputation No
    OCC?

  10. #10
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    Click here to enlarge Originally Posted by tom335is Click here to enlarge
    OCC?
    oil catch can

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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    1 out of 1 members liked this post. Yes Reputation No
    Here's a listing I found. Click here to enlarge (are we allowed to "share"?)

    http://www.e90post.com/forums/showthread.php?t=469468

  12. #12
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    Yes Reputation No
    Click here to enlarge Originally Posted by tom335is Click here to enlarge
    OCC?
    Oxy Contin Capsules
    Some people live long, meaningful lives.

    Other people eat shit and die.

    I'm not racist, I hate everybody equally; especially fat people.


    Click here to enlarge

  13. #13
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    Click here to enlarge Originally Posted by GRLPWR Click here to enlarge
    Here's a listing I found. Click here to enlarge (are we allowed to "share"?)

    http://www.e90post.com/forums/showthread.php?t=469468
    I'm not allowed there. I can't see anything from that place

  14. #14
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    Some more general abbreviations

    NA- naturally aspirated.
    OBD- on board diagnostics

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    LSD- limited slip differential (this one's for you DBfiu Click here to enlarge )
    if you ever see BPU - basic performance upgrades (kinda like fbo)
    FI - forced induction
    DI - direct injection
    ECU - engine control unit
    DME - digital motor electronics
    "hot side" - referring to the pipes and plumbing closest to the turbo, before the 'charge' gets cooled by the intercooler
    charge pipe - the pipe that is after the intercooler and feeds your throttle body
    throttle body - the flap that opens and shuts to allow a specific amount of air into the engine

    how detailed do you want this to be tom? how much do you know about the mechanics of an engine? or do you just need the specific terms that correspond to the n54, like DCI.
    Click here to enlarge
    2007 335i Coupe
    Mods: Check the Garage

  16. #16
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    1 out of 1 members liked this post. Yes Reputation No
    I've been doing this for a long time, just not with BMW's -- so some of the car-specific acronyms threw me off. None of the things on your list were new to me for example, but was thrown off by OCC and DCI, which I have not seen on other boards. I've updated the top post for reference if helpful to others...

  17. #17
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    cool, glad to have ya here, so like slick said, if there are any terms that come up that you dont know put it in here Click here to enlarge
    Click here to enlarge
    2007 335i Coupe
    Mods: Check the Garage

  18. #18
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    MY <- I've been trying to figure that one out for a while now
    2006 AW/Black ZCP 6MT


    Click here to enlarge


    E46 M3 Owners of the World <---- Join the FB group!!


    Instagram :: @NotSMG.M3

    Click here to enlarge

  19. #19
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    Click here to enlarge Originally Posted by folgrz Click here to enlarge
    MY <- I've been trying to figure that one out for a while now
    Can you put that in context? What sentence did you see it in?

  20. #20
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    MY usually means model year on other boards...

  21. #21
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    No, but sounds like we need to put one together now. Stop giving me work, please?
    Click here to enlarge
    Click here to enlarge


  22. #22
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    Click here to enlarge Originally Posted by GRLPWR Click here to enlarge
    Here's a listing I found. Click here to enlarge (are we allowed to "share"?)

    http://www.e90post.com/forums/showthread.php?t=469468
    Absolutely, we aren't a bunch of pricks trying to prevent enthusiasts from reading relevant info.

    Copy and pastes do wonders though.... Click here to enlarge

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  23. #23
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    ?? = Definition Unknown
    * = Dual Definition / Definition Unconfirmed
    + = To Agree / Or Say Me Too (for example +1) : Value is changed to reflect severity of agreement
    6MT = 6 Speed Manual Transmission
    AFAIK = As Far As I Know
    AR = After market Rims
    ATX/AT = Automatic Transmission
    Axle-back = Exhaust from rear axle
    AW = Alpine White / All White*
    AWD = All Wheel Drive
    BOV = A turbo engines blow off valve
    Bump = Brings post to top
    BMW = Bayerische Motoren Werke (in German), Or Bavarian Motor Works (in English)
    BPV = ByPass Valve
    BSF or B/S = Buy/Sell Forums
    BTW = By the way
    Cat back = An exhaust system that starts at the catalytic converter.
    CAI = Cold Air Intake
    CCC = Combustion Chamber Cleaner / Pre-HDD Based NAV HU *
    CEL = Check Engine Light
    CF = Carbon Fiber
    CR = Coral Red
    CIC = HDD Based NAV HU*
    CPO = Certified Pre-Owned
    DCI = Dual Cone Intake
    DDE = Daylight Demon Eyes (Halos, Angel Eyes, etc)
    DEF = Diesel Exhaust Fluid
    DPF = Diesel Particulate Filter
    DINAN = Aftermarket Tuning Company
    CD = Cross Drilled Rotors
    CRP = Commonly Reported Problem
    CSC = Centrifugal Supercharger
    CTS = Coolant Temp Sensor
    DIY = Do It Yourself
    DYI = Do Yourself Install
    ECU = Engine Control Unit
    EGR = Exhaust gas recirculation
    EGT = Exhaust gas Temp
    EMS = Engine Management System
    FMIC = Front Mount InterCooler
    FOB = Keyless Entry Remote Control
    FP = Fuel Power additive
    FS = For Sale
    FSM = Factory Service Manual
    FT = For Trade
    FTL = For the Loss
    FTW = For The Win
    FWD = Front Wheel Drive
    FWIW = For What its Worth
    GB = Group Buy
    GLWS = Good Luck With Sale
    HID = High Intensity Discharge light
    HPFP = High Pressure Fuel Pump
    HU = Head Unit
    IAT/AIT = Intake Air Temperature
    IBTL = In Before The Lock
    I.C.E. = In Car Electronics/Entertainment
    IIRC = If I Recall Correctly
    IME = In My Experience
    IMO = In my opinion
    IRS = Independent rear suspension
    JDM = Japan Domestic Market
    JK = Joke or joking / Just Kidding *
    LBT = Leanest (AFR) for Best Torque - SAE engine calibration
    LCI = Life Cycle Impulse
    LED = Light-Emitting Diode
    LHD = Left Hand Drive
    LMAO = Laugh My A$$ Off
    LOC = Line Output Converter
    LOL = Laugh Out Loud
    LPFP = Low Pressure Fuel Pump
    LSD = Limited Slip Differential
    MAF = Hot Wire Airflow Sensor / Mass Airflow Sensor
    MBT = Minimum (ignition timing) for Best Torque - SAE engine calibration
    MPI = Multiple port injection
    MTBF = Mean Time Between Failure
    MTX/MT = Manual Transmission
    NA = North American
    NOS = Nitrous Oxide Systems(Brand Name)
    NSFW = Not safe for work
    NX = Nitrous eXpress(Brand Name)
    OCC = Oil Catch Can
    OCI = Oil Change Interval
    OEM = Original Equipment Manufacturer
    OP = Original Poster
    PCV = Positive crankcase ventilation
    PI = Performance increase
    PICS = Pictures
    PITA = Pain In The Ass
    PM = Personal Message
    PO = Previous owner
    POS = Piece of Sh*t
    PWNED = To be called out or simply made a fool of by another member of the board (owned).
    QFT = Quote For Truth
    RFT(s) = Run Flat Tires
    RHD = Right Hand Drive
    RMIC = Rear Mount Intercooler
    ROFL = Rolling on floor laughing
    RSB = Rear Sway bar
    R/T = Road/Track
    RTFM = Read the Freaking Manual!(Owners manual, FSM, or Instructions manual for part install)
    SAE = Society of Automotive Engineers
    SC = Super Charged
    SMIC = Side Mount InterCooler
    SOL = S&@$ outta luck
    SR = Stock Rims
    SRI = Short Ram Intake
    SRT = Street and Racing technology
    STF = Search the forum
    STFU = Shut the f&#^ up
    STS = Short Throw Shifter
    SWAG = Scientific Wild Ass Guess
    TB = Throttle Body
    TBD = To be determined
    TC = Turbo Charged
    TCM = Transmission Control Unit
    TiAg = Titanium Silver
    TMIC = Top Mounted InterCooler
    TPS = Throttle Position Sensor
    TPMS = Tire Pressure Monitoring System
    Troll(ing) = A member that intentionally lurks around looking to act like an a$$
    TSB = Technical Service Bulletin
    TT = Twin Turbo
    ttt = Brings post to the top (To The Top)
    TTUW0P = This Thread Useless Without Pics
    UCA/LCA = Upper control arm / Lower control arm
    UOA = Used Oil Analysis
    WGDC = Waste Gate Duty Cycle
    WTB = Wanted to buy
    WTF = What the F#@& / Why the Face? *
    WTT = Want to trade
    WOT = Wide open Throttle

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  24. #24
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    6MT = 6-speed Manual Transmission
    AAR = Automatic Air Recirculation
    AB = Airbag
    ABS = Anti-lock braking system
    AC = Air-Conditioning
    ACC = Active Cruise Control
    ACSM = Advanced Crash Safety Module
    ADAS = Advanced Driver Assistance System
    ADB-X = Automatic Differential Brake
    ADS = Engine intake air control
    ADV = Windshield wiper pressure control
    AFM = Air flow meter
    AG = Automatic Gearbox (transmission)
    AHL = Adaptive Headlights
    ALR = Automatic-locking retractors
    ARRB = Automatic Rear Roller Blind
    AS = Active Steering
    ASC = Automatic Stability Control
    AST = All Season Traction
    BMW = Bavarian Motor Works (Bayerische Motoren Werke)
    CA = Comfort Access, also Client Advisor
    CBC = Cornering Brake Control
    CCC = Car Communications Computer
    CDV = Clutch Delay Valve a.k.a "The Devil"
    CID = Central Information Display
    CIP = Coding, Individualization, Programming
    CPO = Certified Pre-Owned
    CSL = Club Sport Lightweight (Club Sport Leicht)
    DBC = Dynamic Brake Control
    DCC = Dynamic Cruise Control
    DCS = Dealer Communication System
    Double VANOS = Variable Nockenwellen Steuerung (steplessly variable intake and exhaust valve timing)
    DSC = Dynamic Stability Control
    DTC = Dynamic Traction Control
    DRL = Daytime Running Lights
    ED = European Delivery
    ELV = Electronic Steering Lock (Elektronische Lenkradverriegelung)
    FDRS = Fold Down Rear Seats
    FTM = Flat Tire Monitor
    HDC = Hill Descent Control
    HPS = Head Protection System
    HU = Head Unit
    HUD = Heads Up Display
    HWS = Headlight Washer System
    ISIS = Intelligent Safety and Information System
    LVDS = Low Voltage Differential Signaling
    LWRT - Low Weight Reinforced Thermoplastics
    MFS = Multi-Function Steering Wheel
    OEM = Original Equipment Manufacturer
    PCD = Performance Center Delivery
    PDC = Park Distance Control
    PDI = Pre-Delivery Inspection
    PuMA = Product and Measures Management in After sales
    RDS = Radio Data System
    RFT = Run Flat Tires
    RSC = Run flat System Components
    SA = Sales Advisor or Service Advisor
    SBK = Safety Battery Terminal Clamp (???)
    SMG = Sequential Manual Gearbox
    SRS = Supplemental Restraint System
    SULEV = Super Ultra Low Emissions Vehicle (not coined by BMW)
    TMC = Traffic Message Channel
    TP = Traffic Program
    TPC = Tire Pressure Control
    TPM = Tire Pressure Monitor
    TSB = Technical Service Bulletin
    VAC = Voice Activated Control
    VDC = Vehicle Distribution Center
    VPC = Vehicle Preparation Center
    ZCP = the Competition Package (M3 Only)
    ZCW = Cold Weather Package
    ZHP = Performance Package (Available on US-Market e46 330i/Ci/Cic Only)
    ZPP = Premium Package
    ZSP = Sport Package

    Color Codes:
    A07 = Mystic Blue
    A22 = Sparkling Graphite
    A23 = Sonora
    A34 = Arctic
    A35 = Monaco Blue
    A41 = Barrique Red
    A43 = Deep Green
    A52 = Space Gray
    300 = Alpine White
    354 = Titanium Silver
    438 = Electric Red
    475 = Black Sapphire
    668 = Jet Black

    E Vehicle Codes:
    BMW E3 - (1968-1977) 2.5, 2.8, 3.0, 3.3 "New Six" sedans
    BMW E9 - (1969-1975) 2800CS, 3.0CS, 3.0CSL "New Six" coupés
    BMW E12 - (1972-1981) 5 Series
    BMW E21 - (1975-1985) 3 Series
    BMW E23 - (1977-1986) 7 Series
    BMW E24 - (1976-1989) 6 Series
    BMW E26 - (1978-1981) M1
    BMW E28 - (1981-1988) 5 Series
    BMW E30 - (1984-1991) 3 Series
    BMW E31 - (1990-1999) 8 Series
    BMW E32 - (1986-1994) 7 Series
    BMW E34 - (1988-1995) 5 Series
    BMW E36 - (1992-1999) 3 Series/Z3 (as E36/7) (1999 model as M3 only)
    BMW E38 - (1994-2001) 7 Series
    BMW E39 - (1997-2003) 5 Series
    BMW E46 - (1999-2005) 3 Series
    BMW E52 - (2000-2004) Z8
    BMW E53 - (2000-present) X5
    BMW E60 - (2004-present) 5 Series
    BMW E63 - (2004-present) 6 Series coupe
    BMW E64 - (2004-present) 6 Series convertible
    BMW E65 - (2002-present) 7 Series short wheel base
    BMW E66 - (2002-present) 7 Series long wheel base
    BMW E70 - future X5
    BMW E83 - (2004-present) X3
    BMW E85 - (2003-present) Z4
    BMW E87 - (2004-present) 1 Series
    BMW E90 - (2006-present) 3 Series
    BMW E91 - (2006-present) 3 Series Wagon

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  25. #25
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    Yes Reputation No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Absolutely, we aren't a bunch of pricks trying to prevent enthusiasts from reading relevant info.
    Oh, is that what happens when egos get in the way? Click here to enlarge

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