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Home >> BMW >> 2000 >> 740i >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock - Traction Control >> Self-Diagnostics >> Test Equipment

Test Equipment

WARNING: You should only use brake dynamometers whose test speed is no more than 3.1 mph (5 km/h). You must follow without fail the guidelines contained in the operating instructions of the test stand manufacturer. Failure to do so may result in damage to the vehicle and the system and also personal injury. The maximum test duration for four-wheel drive vehicles is 3 minutes per axle. If the test has to be repeated, the vehicle must in the meantime be driven over a distance of at least .6 mile (1 km) to ensure that the transfer case is sufficiently lubricated.

Manufacturer recommends testing ABS and/or traction control using a BMW service tester whenever any major repairs are performed. BMW service tester checks functions of ECU, hydraulic unit, wiring harness and related groups of ABS.

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