3 Series E91 325i (N52K) TOUR
Always strip preservative off new parts before installation. With the rear brake discs, also strip preservative off
brake drum on parking brake.
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Always strip preservative off new parts before installation.
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Brake callipers:
Only approved pastes on the basis of glycol must be used for repairs on brake callipers.
All moving parts on the brake calliper must move freely: note grease specifications.
Use only BMW-approved lubricants to grease calliper guides (refer to BMW Service Operating Fluids).
Brake lines, brake hoses:
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Brake lines and brake hoses must be correctly routed and must not abut with body or components in a way which
would cause chafing.
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To prevent damage, release and tighten brake line couplings with a special brake line wrench only.
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The system must be bled each time any brake lines have been detached.
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All connection points must be checked for leaks.
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Only tighten down brake hoses on the front axle when wheels are in straight-ahead position.
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Close off open connections of brake lines and individual components to prevent dirt from getting into the brake
system.
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When tightening down brake line couplings, observe tightening torque 34 32 1AZ
.
Wheel-slip control system:
The wheel-slip control system is essentially maintenance-free; however the following must be observed:
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When carrying out welding work with electric welding equipment, be sure to disconnect the plug from the
electronic control unit (ignition turned off).
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During painting work, the control unit may be subjected for brief periods to loads of max. 95
°
C and for long
periods (approx. 2 hours) to loads of max. 85
°
C.
-
Terminals must be completely tight on end poles of battery.
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Brake lines on hydraulic unit must not be swapped over: if applicable, mark them prior to disassembly.
On completion of repair work, carry out swap-over test with the DIS diagnosis system.
RA General Information
BMW AG - TIS
06.02.2013 10:33
Issue status (12/2007) Valid only until next DVD is issued
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