Technical Service Bulletins (TSBs) for the 1988 520 are official communications between BMW & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP

    • TSB #34 02 98

      Date Announced:
      APR 01, 1998
      NHTSA ID:
      #601210

      SUBJECT REGARDING THE ABS/ASC WARNING LIGHTS ILLUMINATED DURING DYNAMOMETER TEST. *YC *JN Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #SI B11 13 07

      Date Announced:
      APR 01, 2008
      NHTSA ID:
      #10025584

      N54 RATTLE NOISE FROM TURBOCHARGER AREA. MODELS E90, E92 AND E93 (3 SERIES) 335I AND 335XI; E60 AND E61 (5 SERIES) 535I AND 535XI, ALL WITH N54 ENGINE FROM THE START OF PRODUCTION TO JANUARY 17, 2008 PRODUCTION. Read More »

    • TSB #SI B12 01 08

      Date Announced:
      JAN 01, 2008
      NHTSA ID:
      #10025573

      N52 EDK THROTTLE JAMMING FAULTS 2D09, 2CED AND 2CEC. MODEL E90 AND E91 (3 SERIES) AND E60 AND E61 (5 SERIES), ALL MODELS UP TO 11/2005 WITH N52 ENGINE. *PE Read More »

    • TSB #120405

      Date Announced:
      MAR 01, 2006
      NHTSA ID:
      #10015410

      CHECK ENGINE LAMP ILLUMINATED AND/OR VEHICLE OVERHEATS. BMW E90 (3 SERIES) ALL E90 (3 SERIES) AND E60 (5 SERIES) MODELS EQUIPPED WITH N52 ENGINE. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

    • TSB #SI B11 13 07

      Date Announced:
      APR 01, 2008
      NHTSA ID:
      #10025584

      N54 RATTLE NOISE FROM TURBOCHARGER AREA. MODELS E90, E92 AND E93 (3 SERIES) 335I AND 335XI; E60 AND E61 (5 SERIES) 535I AND 535XI, ALL WITH N54 ENGINE FROM THE START OF PRODUCTION TO JANUARY 17, 2008 PRODUCTION. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

    • TSB #SI B11 13 07

      Date Announced:
      APR 01, 2008
      NHTSA ID:
      #10025584

      N54 RATTLE NOISE FROM TURBOCHARGER AREA. MODELS E90, E92 AND E93 (3 SERIES) 335I AND 335XI; E60 AND E61 (5 SERIES) 535I AND 535XI, ALL WITH N54 ENGINE FROM THE START OF PRODUCTION TO JANUARY 17, 2008 PRODUCTION. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #SI B62 0406

      Date Announced:
      JAN 01, 2008
      NHTSA ID:
      #10025571

      INSTRUMENT CLUSTER: FAILURE OF DISPLAYS/FUNCTIONS. MODEL E60, E61 (5 SERIES) AND E63, E64 (6 SERIES). *PE Read More »