Tire Pressure Monitor Systems - e90/e91/e92/e93 BMW M3 E90

MODEL COVERAGE

Note. Models in this article belong to the E90, E91, E92, and E93 groups.

Models Covered

TIRE PRESSURE MONITOR (TPM) SYSTEM

Note. If a tire pressure has been adjusted, or a wheel or tire has been replaced, the TPM or FTM system must be reinitialized. See appropriate tire pressure monitor system under RESET PROCEDURES .

Vehicles are equipped with one of either two types of tire pressure monitor systems

1. The Flat Tire Monitor (FTM) System : Uses the ABS system to measure each tire's rolling radius changes and with it, the rotational speed of the wheels. Changes are detected and signaled as a flat tire. The Flat Tire Monitor system does not use tire pressure sensors in the tires.
2. The Tire Pressure Monitor (TPM) System : Uses tire pressure sensors installed in the tires to check the tire inflation pressure in the four mounted tires. The system indicates if the tire inflation pressure has dropped considerably in one or several tires.

The Flat Tire Monitor (FTM)

If a significant drop in tire pressure is detected, the TPMS warning lamps light up yellow and red, display a warning message on the iDrive Control Display, and sound an acoustic warning signal.

If a system malfunction occurs, the TMPS warning lamps light up yellow, and a message is displayed.

Tire Pressure Monitor (TPM)

When a flat tire is detected, the TPMS warning lamps light up yellow and red, a message appears on the iDrive Control Display, and signal sounds.

If a system malfunction occurs, the yellow warning light flashes and then lights up continuously. The tires are shown in gray on the Control Display and a message is displayed.

Status display on iDrive Control Display: The tire and system status is indicated by the color of the tires. TPM takes the fact that the tire pressure changes during driving into account. A correction is only required if the color of the TPM display indicates that it is necessary.

1. Green: The tire pressure matches the learned set state. "Status: TPM active" is displayed on the Control Display.
2. 1 Wheel is Yellow: There is a flat tire or a major drop in inflation pressure in the indicated tire. A message appears on the Control Display.
3. All Wheels are Yellow: There is a flat tire or a major drop in inflation pressure in several tires. A message appears on the Control Display.
4. Gray: The system cannot detect a flat tire. Reasons for this can include: TPM is being reset, Temporary interference due to systems or devices that use the same radio frequency, System malfunction.

RESET PROCEDURES

Note. If a tire pressure has been adjusted, a wheel or tire has been changed or tires have been rotated, the FTM or TPM system must be reset.

When the tire pressure warning light illuminates and warning message appears, immediately check air pressure of all tires and adjust to the specified pressure. Reset TMPS. Ensure warning indicators go out.

Note. The resetting process finishes during driving, which can be interrupted at any time. When driving resumes, resetting is continued automatically.

Without iDrive

1. Set the tire pressure of all wheels to specification.
2. Start engine.
3. Lightly push button 1 in the turn indicator lever up or down repeatedly until the corresponding symbol appears in the display accompanied by the word "RESET". (Scheme 17)
4. Press button 2 to confirm your choice of the Flat Tire Monitor. (Scheme 17)
5. Press button 2 for approx. 5 seconds, until the reading (Scheme 18)is displayed.
6. Drive vehicle. Initialization is automatically completed during the drive, with no additional feedback.

Scheme 17

Scheme 18

With iDrive

1. Set the tire pressure of all wheels to specification.
2. On iDrive Control Center, select "VEHICLE INFO", then "VEHICLE STATUS".
3. Select "RESET". The initialization menu appears. (Scheme 19)
4. Start the engine, but do not begin to drive.
5. Start the Initialization with "RESET".
6. Drive vehicle. The initialization is completed during driving. (Scheme 20)

Scheme 19

Scheme 20

Note. The reset process finishes during driving, which can be interrupted at any time. When driving resumes, resetting is continued automatically.

Without iDrive

1. Set the tire pressure of all wheels to specification.
2. Start engine.
3. Lightly push button 1 in the turn indicator lever up or down repeatedly until the corresponding symbol appears in the display accompanied by the word "RESET". see scheme 5
4. Press button 2 to confirm your choice of the Tire Pressure Monitor. (Scheme 21)
5. Press button 2 for approx. 5 seconds, until the reading (Scheme 22)is displayed.
6. Drive vehicle. Initialization is automatically completed during the drive. The indicator lamp goes out after the system reset is completed.

Scheme 21

Scheme 22

With iDrive

1. Set the tire pressure of all wheels to specification.
2. On iDrive Control Center, select "SETTINGS", then "TPM".
3. Select "Reset TPM".
4. Start the engine, but do not begin to drive.
5. Select "RESET". (Scheme 19)
6. Drive vehicle. The tires are shown in gray and "Resetting TPM..." is displayed.
7. After a few minutes of driving, the set tire inflation pressures in the tires are applied as the set values to be monitored. Resetting process is completed automatically while driving. When resetting is completed, the tires in the display turn to green and "TPM Active" is displayed. (Scheme 23) NOTE: If there is a problem resetting and applying the tire inflation pressures, all tires are shown in yellow on the Control Display, and a message is displayed.

Scheme 23

DISMOUNTING/MOUNTING PROCEDURES

The only way to know from the outside, whether a wheel contains an electronic sensor, is by the metal valve stem.

System initialization is the only way to determine whether the correct sensor has been used. An incorrect sensor will not be registered and a fault will be recorded in the diagnostic system.

Note. If a tire pressure has been adjusted, or a wheel or tire has been replaced, the TPM system must be reinitialized. See RESET PROCEDURES .

Removal

1. Raise vehicle on a suitable support. Remove tire/wheel assembly from vehicle.
2. Dismount tire from wheel following tire changer manufacturer's instructions while paying special attention to the following to avoid damaging tire pressure sensor: To prevent the pressing-off horn from damaging sensor, do not rest pressing-off horn on both rim sides in the area of the valve. The valve should be approximately 15 cm to the right of the assembly head (to prevent tire iron from damaging sensor). Tire bead must not press onto sensor.

Installation

1. Mount tire to wheel following tire changer manufacturer's instructions while paying special attention to the following to avoid damaging tire pressure sensor: When the sensor is installed, the rim must not be cleaned with high-pressure cleaning equipment. Visually inspect sensor for external damage and check for tight fit. DO NOT retighten screw and union nut. If one of the valve parts is loose, replace the entire valve. Keep sensor free of tire mounting paste. Fit lower tire bead so that no pressure forces are exerted on sensor. Fit upper tire bead so that no pressure forces are exerted on sensor.
2. Install tire/wheel assembly on vehicle. Reintialize TPM system. See «RESET PROCEDURES»(/bmw/m3/e90-2007-2013/remont/reset-procedures/#tire-pressure-monitor-systems-e90e91e92e93__reset-procedures) .

TORQUE SPECIFICATIONS

SPECIFICATIONS TABLE

See also:
• RESET PROCEDURES