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  1. #1
    Registered Member Two Rings Moodesigner's Avatar
    Join Date
    Jan 24 2005
    AZ Member #
    4986
    My Garage
    2001 Audi A4
    Location
    Front Row

    Question Audi A4 1.8T - APR ECU Upgrade

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    im looking to get it done but i really need a second opinion!

    http://www.goapr.com/Audi/products/e...de_a418t.html#

    Do u guys think itz a good idea?

    Has anyone here chiped their car?

    Do u think it will affect my engine on the long run?

    Thankx a million


  2. #2
    Veteran Member Four Rings HotSauce's Avatar
    Join Date
    Jul 26 2004
    AZ Member #
    2909
    Location
    MPLS/ATL

    http://www.audizine.com/forum/search...der=descending

    I'm feeling nice... In short, yes it's a good idea, almost everyone chips their car, you may shorten the life of your turbo, but in the scheme of things, you engine will be fine.

  3. #3
    Registered Member Two Rings aks986's Avatar
    Join Date
    Mar 03 2004
    AZ Member #
    1054
    My Garage
    86 944 Turbo, 87 golf, 98 A4 1.8tqm
    Location
    Tucson

    People chip a4s? How come ive never heard of this before?

    Shea

  4. #4
    Veteran Member Four Rings
    Join Date
    May 06 2004
    AZ Member #
    2044
    My Garage
    Passat, Sienna
    Location
    PA

    Originally posted by aks986
    People chip a4s? How come ive never heard of this before?

    Shea
    Must be cuz of that rock you've been hiding under. If your car is a 1.8t you'd be a fool not to get it chipped.

  5. #5
    Senior Member Three Rings
    Join Date
    Aug 10 2004
    AZ Member #
    3101
    My Garage
    2000 A4
    Location
    Boca Raton, Fl

    Re: Audi A4 1.8T - APR ECU Upgrade

    Originally posted by Moodesigner
    im looking to get it done but i really need a second opinion!

    http://www.goapr.com/Audi/products/e...de_a418t.html#

    Do u guys think itz a good idea?

    Has anyone here chiped their car?

    Do u think it will affect my engine on the long run?

    Thankx a million

    Chipping usually isnt a good idea. Most people go right for the stage 3 kit.
    2000 A4
    APR SIII+

  6. #6
    Veteran Member Four Rings drlandry00's Avatar
    Join Date
    Dec 19 2004
    AZ Member #
    4562
    My Garage
    2000 A4 Quattro 1.8t 5spd Ebony...
    Location
    rhode island

    Hey, Apr chip is a beautiful chip. makes some great power that is very fun to drive, will def put a smile on your face, yes there are probably 60% members on here that are chipped.. I will be getting the APR chip in the spring... GIAC is also another good chip. personal preference between the two.. both are great.. good luck let us know what you do...

  7. #7
    Registered Member Two Rings Moodesigner's Avatar
    Join Date
    Jan 24 2005
    AZ Member #
    4986
    My Garage
    2001 Audi A4
    Location
    Front Row

    thankx dood, ill keep ya posted. I got a few projects lined up this spring.

  8. #8
    Veteran Member Four Rings buck's Avatar
    Join Date
    Feb 16 2004
    AZ Member #
    551
    My Garage
    '05 Toyota Tacoma SR5 V6 & '03 Yamaha R6
    Location
    Simcoe County ON, Canada

    Re: Audi A4 1.8T - APR ECU Upgrade

    Originally posted by Moodesigner
    im looking to get it done but i really need a second opinion!

    http://www.goapr.com/Audi/products/e...de_a418t.html#

    Do u guys think itz a good idea?

    Has anyone here chiped their car?

    Do u think it will affect my engine on the long run?

    Thankx a million

    I chipped my 2001 1.8T with APR 93oct program.

    It is a very good idea.

    It's pretty much a law that you are suppose to chip your 1.8T as soon as you get it.

    Many have been driving chipped for a long time without any issues. Proper warm up and cool down of your motor is strongly recommended to prevent pre-mature turbo failure.

    APR and GIAC are proven out. Go for it. You will not regret it. You won't believe how de-tuned the 1.8T is from the factory.

    Try the search function of the forum and you'll find copious amounts of info on chipping.
    APR 93 Octane Chip, VDO Boost Gauge, 710N, Koni C/O's, Carbonio CAI, High Flow Coconut air freshener.

    60% of the time, it works EVERY time.

  9. #9
    Registered Member Two Rings Moodesigner's Avatar
    Join Date
    Jan 24 2005
    AZ Member #
    4986
    My Garage
    2001 Audi A4
    Location
    Front Row

    Actually im going down to the APR dealer this friday to check out whatz the deal and just to get more info.

    How is your fuel efficiency? Did it improve?

    What if by accident you let your friend fill up your car and he'll put 91oct and u got a program for 93?

    The thing is that im still under warranty, would an audi mechanic be able to see software upgrade ones im in for a warranty repair?

    I heard now the offer an optional switch on your cruz.control incase u want to go back to stock.

    thankx

  10. #10
    Registered Member Two Rings Xerophile's Avatar
    Join Date
    Jan 01 2005
    AZ Member #
    4689
    My Garage
    '00 A4 1.8T QM Santorin Blue
    Location
    Boston, Mass

    Originally posted by Moodesigner
    How is your fuel efficiency? Did it improve?

    What if by accident you let your friend fill up your car and he'll put 91oct and u got a program for 93?

    I heard now the offer an optional switch on your cruz.control incase u want to go back to stock.

    thankx
    I have the APR chip with 2 programs, stock and 93, so that I can swap back and forth (for valets and letting friends borrow the car) and it works great.

    Fuel efficiency is tricky. If you don't hammer on it (like that's gonna happen, what'd you buy the chip for then? ) then you might get slightly better than stock fuel economy, I know I do on long drives when I stick it on cruise. But if I'm driving for fun, forget it, I still get in the 20's though.

    At worst, if someone fills your car with 91, you'll get knocking and/or pinging, or worst case detonation, and then you'd drop it to the stock program until you can fill back up again. Pretty straight-forward.

    Oh, one other thing, I've had the chip since about 65,000, so over half the car's life has been chipped with the original turbo, no problems.

  11. #11
    Registered Member Three Rings S-fear's Avatar
    Join Date
    Feb 12 2004
    AZ Member #
    328
    My Garage
    S4, A4 1.8T, Subaru Legacy, supercharged Miata, Turbo Alfa (top 10 in GRM $2000+ challenge). UR Quat
    Location
    SE MI

    If you are on boost, you are going to use much, much more fuel. simple physics - boost and HP require more gas. If you stay off boost, your milage will be the same.

    On my cars, the mpg went down about 3mpg in town. Your milage will vary depending on how hard you hit it.

    If you have 93 program and you put 91 in it, your ECU can compensate (to a limited degree - this probably won't work if you put in 87) by retarding the spark to prevent detonation. Detonation will cause SERIOUS engine damage if you get too much of it for too long.

    Play it safe, and get the stock and chipped program.

    I have valet, stock, 93, and 100 octane - so you have some options if you want to buy the extra program.

    If you get the security lock out - there is no way to tell your car is chipped unless you know the code, or take the ECU out. Without the lock out, dealers will press your cruise control to see if your ECU light flashes - a dead giveaway you have an APR chipped car. Get the lock out if you want warranty or dealer work done.

    I found on a FWD car the chip was too aggressive and just lead to lots of wheel spin when boost suddenly hit. It works much, much better with quattro.

    With the 1.8, expect a power band of 3000-5000rpm. Kinda narrow, but useful. It is a nice bump.

    Originally posted by Moodesigner
    Actually im going down to the APR dealer this friday to check out whatz the deal and just to get more info.

    How is your fuel efficiency? Did it improve?

    What if by accident you let your friend fill up your car and he'll put 91oct and u got a program for 93?

    The thing is that im still under warranty, would an audi mechanic be able to see software upgrade ones im in for a warranty repair?

    I heard now the offer an optional switch on your cruz.control incase u want to go back to stock.

    extra programs and security features will cost $$$

    thankx

    Jeder Bloedmann faehrt 'nen Porsche, Jeder Arsch 'nen Audi Sport
    Nur Geniesser fahren Fahrrad, Und sind immer schneller da

  12. #12
    Veteran Member Four Rings buck's Avatar
    Join Date
    Feb 16 2004
    AZ Member #
    551
    My Garage
    '05 Toyota Tacoma SR5 V6 & '03 Yamaha R6
    Location
    Simcoe County ON, Canada

    Originally posted by Moodesigner
    Actually im going down to the APR dealer this friday to check out whatz the deal and just to get more info.

    How is your fuel efficiency? Did it improve?

    What if by accident you let your friend fill up your car and he'll put 91oct and u got a program for 93?

    The thing is that im still under warranty, would an audi mechanic be able to see software upgrade ones im in for a warranty repair?

    I heard now the offer an optional switch on your cruz.control incase u want to go back to stock.

    thankx
    Don’t buy into the fact that companies claim possible better fuel economy. I have never seen proof of this. I don’t believe it. People have made the ASSUMPTION that if you have more power, you don’t need to push the gas pedal down as far to get the same amount of acceleration – thus using less gas…. THAT’S A BUNCH OF HOOPALA in my opinion.

    Essentially, the chip will be producing more boost, with the fuel mapping to match. The chip may also modify the timing somewhat. Without making any changes to how your car breathes (i.e. better breathing by means of; match-porting, more efficient intake and/or exhaust plumbing) – I really doubt that you’ll get better economy. Without changing the breathing of your car, you still need to burn the same amount of gas to make the same amount of power. A chipped 1.8T has the ability to produce more power because you are forcing more air thus more fuel (to maintain proper air/fuel ratios).

    Basically, my point is that I truly believe that there is no potential to improve your fuel economy with a chip - unless the timing is maximized for fuel economy. I still haven't seen good enough documented proof to support this to change my mind.

    Anyhoo,

    It is however very possible to maintain the same amount of fuel economy after chipping, providing your driving characteristics are the same. You will consume more gas though if you floor it chipped, than if you floor it stock.

    In my case, APR was able to put both the 93 oct program and stock program in my car. They can be switched via the cruise ‘set’ switch.

    Also – what the hell are you doing letting your friend drive your car?

    Avoid running less than the recommended octane. It can cause pre-detonation which ain’t the best thing for your motor.

    As for warranty – if the dealer can detect the chip, and you are trying to get a turbo replaced under warranty – you may have to fight for it. If you’re in for control arm warranty, you’ll be fine. Ask the APR guys about how hard/easy it is for the dealer to detect.

    A chipped 1.8T = a happy driver!
    Last edited by buck; 01-26-2005 at 07:52 AM.
    APR 93 Octane Chip, VDO Boost Gauge, 710N, Koni C/O's, Carbonio CAI, High Flow Coconut air freshener.

    60% of the time, it works EVERY time.



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