BMW Z3 ROADSTER 2.3- User Manual

99 thru 00 models with 2.5 and 2.8 liter engines
-

Please ensure that you have previously had the "00E-A01 Fault Readiness/O2 Readiness Codes Not Set" emissions recall update performed

by your dealer, if applicable. See Appendix B for a list of the BMW models affected by this recall. Failure to have the recall update performed
prior to using the Power Programmer may cause a “Software Unknown” failure (code 147).

M3 95 thru 99 with automatic transmission -

See Appendix A, for instructions on disconnecting the Transmission Control Unit prior to

performing the Power Programmer upgrade. This procedure must be done before continuing.

528i and 540 99 on -

Disconnect fuses #17 and #31 in the glove box fuse panel prior to using the Power Programmer.

740i 99 on -

Disconnect fuse #17 in the engine compartment fuse panel prior to using the Power Programmer.

PROCEDURE:

1.

Locate the round 20-pin diagnostic port in the engine compartment. The port will be in close proximity to the left or right shock tower or
in the vicinity of the intake manifold. The port is covered by a 2

3

/

4

" diameter, round screw-on cap. Unscrew and remove the cap.

2.

To ensure a constant voltage for proper operation of the Power Programmer, attach a high quality battery charger to the vehicle,
capable of a minimum charge rate of 10 amps. Connect the charger

directly to the vehicle battery

, observing all necessary safety

precautions such as the wearing of safety goggles.

3.

Turn charger on to a minimum charge rate of 10 amps and ensure that charging is occurring.

NOTE:

The importance of proper battery voltage cannot be emphasized enough; failure to maintain proper voltage throughout the

procedure may result in an inoperable vehicle where the only solution would be the physical replacement of control modules at the
owner’ expense. Please evaluate the age and condition of you BMW’s battery before proceeding.

4.

Lower the driver and passenger side windows. Doors should be closed. Engine hood should already be open.

5.

Wait a minimum of 15 minutes for the engine to cool and the vehicle battery to charge, assuring ample reserve power.

6.

Before using the Power Programmer, clear the buttons by pushing and releasing each button 4 to 6 times.

CAUTION:

It is imperative to follow all of the instructions completely and correctly or you may damage your BMW’s

Engine Control Unit (ECU).

BAVARIAN AUTOSPORT

Power Programmer Instructions

Call Toll Free:

1.800.535.2002

275 Constitution Avenue, Portsmouth, NH 03801 • 603.427.2002 • Fax 800.507.2002 • www.bavauto.com

Page 1/5

8.03

INS239

Various

OBD-II

equipped

BMWs

PART NUMBER:

BAVPP3

IMPORTANT NOTES:

Do not even think about beginning this procedure without reading all of these
instructions first..

The Power Programmer can only function on a stock ECU. If your BMW has a
performance programmed ECU, the Power Programmer will not work.

NOTE:

Before obtaining any service on your BMW, restore the stock settings on your ECU. If your dealer/service tech

restores the settings to stock (which they often do) the Power Programmer will no longer work on your BMW.

NOTE:

The Power Programmer is designed to work only on BMWs that are US or Canadian spec; it will not work on BMWs

built for Europe, Asia, etc.