engine coolant BMW X5 2003 E53 M62TU Engine Workshop Manual

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M62TU Engine / ME7.2
The 4.4i X5 is equipped with the M62 TU B44 (4.4 liter) engine. Features of the M62 TU
engine include:
• Digital motor Electronics Control ME 7.2.
• Variable positioned intake camshaft VANOS system.
• “EML” Electronic Throttle Control System identified as EDK.
• Compact water cooled generator (F-alternator).
• Thermostat controlled transmission fluid/engine coolant heat exchanger system for
automatic transmission equipped vehicles.
• Non Return Fuel Rail (Running Loss Compliance).
• IHKA Auxillary Water Pump.

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DME-ME 7.2 ENGINE MANAGEMENT SYSTEM
The “ME” designation identifies the system as “M” = Motronic, “E” = EML.
• Manufactured by Bosch to BMW specifica-
tions
• 134 pin SKE (standard shell construction) con-
trol module located in E box
• Diagnostic communication protocol-KWP2000
• Uses break-out box set (P/N 90 88 6 121 300)
• Integral EML throttle control system
- monitors an interior installed PWG
- actuates an electric throttle valve (EDK)
• Integral Cruise control functionality
- monitors cruise control requests
- monitors brake pedal and clutch switches
- carries out throttle control directly via EDK
• Carries out DSC III torque reduction requests.
• VANOS control
• Integrated altitude sensor
• Integrated temp sensor for monitoring E box
temperatures
• Control of E-box fan
• One touch engine start control
• Oxygen Sensor heating
• Engine overrev & Max speed limitation
• Active Hall sensor for camshaft position monitoring
• Single speed secondary air injection system
• Electrically heated coolant system thermostat
• Longlife spark plugs
• IHKA Auxiliary Fan control
•DM-TL (Diagnostic Module - Tank Leak Diagnosis System)
ME 7.2 LOCATION IN E-BOX
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(9 pins)2
(24 pins)3
(52 pins)4
(40 pins)5
(9 pins)