REMOVING AND INSTALLING OR REPLACING HYDRAULIC CONTROL UNIT FOR ABS Disconnect battery ground lead (behind driver´s seat). Remove air cleaner - see Gr. 13. Unscrew lines (1 and 2). Installation: Line (1) to brake force regulator. Line (2) to rear brake master cylinder. | |
Unscrew lines (3 = left, 4 = right and 5 = to brake master cylinder). Unscrew screw (6) and take of cover. Installation: Lines (3) to left front brake caliper. Lines (4) to right front brake caliper. Line (5) to front brake master cylinder. Don´t mix up lines (mark if necessary). | |
Unscrew screws (7 and 8). Pull off multipie-pin plug. Disconnect ground lead (9). Important! Catch escaping brake fluid and keep it off of clothes or paint finishes. Keep lines and connections clean (insert plugs). | |
Loosen nut (10). Pull up and remove hydraulic control unit. Installation: Bleed ABS brakes - see 34 00. Check function of ABS with BMW Service Tester - See 34 50. 34 00 000 |