BMW X3 Quiz

Luggage compartment floor

In this manual: Luggage compartment floor
General information on preservation measures — 1Body cavity sealing — 1Body corrosion protection — 1Body repair instructions — 1Support members — 1Luggage compartment floor — 1Wheel wells — 1Side frame and door pillars — 1Roof outer skin — 1Dash cowl — 1Front trim panel — 1Rear trim panel — 1Side panels — 1Front side doors — 1Rear side doors — 1Front lid — 1Rear lid — 1Other flaps — 1Body special tools — 1General information — 1Handling brake fluids — 1Brake testing and bleeding — 1Front brakes — 1Rear brakes — 1Master brake cylinder — 1Brake lines — 1Brake booster — 1Electrical components/wear indicator — 1Parking brake — 1Mechanical/hydraulic components — 1Electronic components — 1Brakes — 1Front brake — 1Pedal mounting block — 1Brake pedal with linkage — 1Clutch pedal with linkage — 1Accelerator pedal actuation — 1Pedals — 1Specified grease — 1Propeller shaft, general — 1Propeller shaft assembly — 1Center console assembly — 1Front propeller shaft — 1Propeller shaft — 1Propeller shaft complete — 1Front axle repair instructions — 1Front axle suspension — 1Front sub-frame — 1Struts with rubber mounts — 1Wheel bearings and stub axle — 1Spring strut — 1Spring with suspension — 1Stabilizer bar — 1Front axle gearbox — 1Output shaft — 1Front axle — 1General information on high temperature multi-purpose grease — 1Rear axle repair instructions — 1Final drive with cover — 1Final drive mounting — 1Output shafts — 1Rear sub-frame — 1Control arms and struts — 1Axle mounting — 1Wheel bearings — 1Shock absorber — 1With suspension — 1Stabilizer bar — 1Rear axle — 1General information on final drive oil — 1Approved final drive oils for front and rear axle final drives with and without limited slip or viscous coupling — 1Final drive oil for bmw m1 motorsport coupe — 1Operating fluids as of 11/2015 — 1Brake pad replacement reminder — 1Emissions maintenance reminder — 1Maintenance service reminder — 1Tire pressure monitor system reminder — 1Description — 1Troubleshooting — 1Ignition wires, spark plugs — 1Ignition coil — 1Electronic switching or control units — 1Preheating relay — 1Preheater plugs — 1Alternator with drive and mounting — 1Controller — 1Starter with mounting — 1Starter lead — 1Engine wiring loom — 1Oil pressure/oil temperature/oil gauge — 1Switches and relays — 1Engine electrical system — 1Cabin air filter — 1Cabin air filter applications — 1Operating fluids - air conditioning and heating — 1Air conditioner refrigerant — 1Refrigeration oil — 1Note, overview components climate control — 1Heater with operation — 1Auxiliary. heater with control elements — 1Nozzles and outlets — 1Microfilter — 1Air conditioning, leak detection — 1Ac housing/evaporator, switching elements — 1Compressor — 1Condenser and dryer with lines — 1Heating and air conditioning — 1Front axle repair instructions — 1Front axle suspension — 1Front sub-frame — 1Struts with rubber mounts — 1Wheel bearings and stub axle — 1Spring strut — 1Spring with suspension — 1Stabilizer bar — 1Front axle gearbox — 1Front axle — 1General information on high temperature multi-purpose grease — 1Integrated suspension systems repair instructions — 1Front control and suspension elements — 1Rear control and suspension elements — 1Electrical components — 1Electronic damping force adjustment — 1Integrated suspension systems — 1Approved hydraulic fluids — 1Rear axle repair instructions — 1Final drive — 1Final drive with cover — 1Final drive mounting — 1Output shafts — 1Rear sub-frame — 1Control arms and struts — 1Axle mounting — 1Wheel bearings — 1Shock absorber — 1Springs with suspension — 1Stabilizer bar — 1Rear axle — 1General information on final drive oil — 1Approved final drive oils for front and rear axle final drives with and without limited slip or viscous coupling — 1Final drive oil for bmw m1 motorsport coupe — 1Operating fluids as of 11/2015 — 1Electronic chassis alignment — 1Mechanical steering gear — 1Steering gear with servo unit — 1Steering arms, tie rods, steer. damper — 1Steering column — 1Steering wheel — 1Steering wheel for airbag — 1Pump and oil supply — 1Steering and wheel alignment — 1Wheels — 1Disc wheels (rims) — 1Tires — 1Wheels with tires — 1Tire mounting paste — 1Engine mounting — 1Transmission suspension, automatic. transmission — 1Engine and gearbox suspension — 1Transmission in general — 1Transmission case, oil sump — 1Extension housing, bearings, seal — 1Mechanical attachments — 1Hydr/el control components/elements — 1Oil pump — 1Shift valves, parking lock — 1Torque converter — 1Automatic transmission — 1Automatic transmission fluid for zf-transmission GA8HP45Z / GA8HP50Z / GA8HP70Z / GA8HP90Z / GA8P70H / GA8P75H / GA8HP75Z — 1General information on automatic transmission fluids — 1Approved automatic transmission fluids for initial fillings and correcting fluid levels — 1Checking transmission fluid level — 1Transmission fluid change intervals (if applicable) — 1Transfer case, general — 1Transfer box — 1Transmission shafts — 1Transfer box special tools — 1Transfer box in general (atc 45l) — 1Transmission in general — 1Bearing in housing, sealing ring — 1SELF-DIAGNOSTICS DTCS — 1
~6min read
  • Replace luggage compartment floor and both side members (tail panel trim removed)
  • Replacing left luggage compartment floor (tail panel has been removed)
  • Replacing luggage compartment floor, middle section (tail panel removed)
  • Stripping operations - replacing luggage compartment floor and both side members (tail panel removed)
  • Stripping operations - replacing luggage compartment floor, middle (tail panel removed)

Replace luggage compartment floor and both side members (tail panel trim removed)

Read contents of BODY, GENERAL.

STRIP DOWN VEHICLE

Place vehicle on straightening bench.

Observe procedure of REPAIR STAGE 3.

Following new body parts are required (refer to OVERVIEW OF CONSUMABLES):

  • (1) Wheel arch extension, rear left and right
  • (2) Luggage compartment floor, left and right
  • (3) Side member, bottom rear left and right
Body+and+Frame
  • (4) Fixture, impact absorber, left and right
  • (5) Side member, top left and right
  • (6) Battery tray

Following CONSUMABLES are required:

Body+and+Frame

Removal of complete rear luggage compartment floor:

Operations described predominantly on the left side. Right side identical.

Open welded connections in area (1).

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Open welded connections in areas (1).

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Open welded connections in area (1).

Remove the luggage compartment floor.

NOTE: Shown without side panel for purposes of clarity.

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View from below.

Open welded connections in the area (1) and remove battery tray (2).

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Open welded connections in area (1).

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Mark severance cut (1) in accordance with dimension and cut.

IMPORTANT: Cut outer panel only.

Dimension a = 30 mm from wheel arch component edge.

Open welded connections in areas (2).

Remove side member.

New part preparation

Mark severance cut on side member in accordance with severance cut on vehicle and cut.

Prepare REINFORCEMENT PLATE for severance cut.

Adjust new parts to fit with alignment bracket or universal mount and secure.

In areas (1) and (2) set 4.2 mm dia. holes for blind rivets.

Body+and+Frame

Remove new parts and deburr bore holes.

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IMPORTANT: Do not grind new parts and body in area of bonding surfaces.

Installing side member and luggage compartment floor, left and right: Install new parts with alignment bracket or universal mount and weld analogue to series standard:

  • Extension, side member
  • Mounting, impact absorber
  • Luggage compartment floor
  • Wheel arch extension

Installing luggage compartment floor (battery tray): Clean all bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces.

Install new part and rivet with blind rivets.

After hardening of the adhesive install 6 EMC SCREWS in the areas shown (1).

Body+and+Frame

Replacing left luggage compartment floor (tail panel has been removed)

Observe procedure for REPAIR STAGE 3.

Read contents of BODY, GENERAL.

Following new body parts are required:

  • (1) Luggage compartment floor, left section
  • (2) Rear wheel arch extension
Body+and+Frame

Removal

Open welded connections in area (1).

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Open welded connections in areas (1).

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Shown without side panel for purposes of clarity.

Open welded connections in areas (1).

Remove the luggage compartment floor.

Body+and+Frame

Installation

Install new part and weld.

IMPORTANT: Only weld new part in areas (1) after installing tail panel!

Body+and+Frame

Replacing luggage compartment floor, middle section (tail panel removed)

Read contents of BODY, GENERAL.

STRIP DOWN VEHICLE

Observe procedure for (REPAIR STAGE 2)!

Following new body parts are required:

  • (1) Battery tray

Following CONSUMABLES are required:

Body+and+Frame
Body+and+Frame
Body+and+Frame

Removal of luggage compartment floor

Open welded connections in area (1).

Remove the luggage compartment floor.

Body+and+Frame

New part preparation

Adjust new part in conjunction with tail panel and secure.

In areas (1) and (2) set 4.2 mm dia. holes for blind rivets.

Body+and+Frame

Remove new parts and deburr bore holes.

Body+and+Frame

IMPORTANT: Do not grind new part and body in area of bonding surfaces.

Installation of luggage compartment floor:

Clean all bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces.

Install new part and rivet with blind rivets.

After hardening of the adhesive install 6 EMC SCREWS in the areas shown (1).

Body+and+Frame

Stripping operations - replacing luggage compartment floor and both side members (tail panel removed)

NOTE: Owing to the different engine variants and equipment specifications, not all the components are taken into consideration.

The following list basically represents the removal sequence.

  • Remove positive battery cable (61 12 002 )
  • Remove exhaust system.
  • Remove heat shield
  • Remove the left luggage compartment wheel arch panel (51 47 151 )
  • Right luggage compartment wheel arch panel (51 47 161 )
  • Remove front left and right wheel arch cover (51 71 041 )
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Release screws (1). Undo various connectors from control units and lay holder (2) to one side.

Release screws (3). Undo various connectors from control units and lay holder (4) to one side.

Release wiring harness at attachment points (1) and set aside.

Release wiring harness at attachment points (1) and lay to one side.

Lever out expanding rivet (2) and remove insulating mat (3).

Release latch mechanisms and remove rear ventilation (4).

Installation note:

The rear ventilation (4) must not be damaged. (watertightness).

All latch mechanisms must engage audibly.

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Release grommet (1) for water drain hose of the slide/tilt sunroof and lay to one side.

Remove foam insert (2).

Installation note: Please ensure correct installation of the grommet. (watertightness).

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Release grommet (1) for water drain hose of the slide/tilt sunroof and lay to one side.

Installation note: Please ensure correct installation of the grommet. (watertightness).

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Disconnect plug connection (1) for the EMF.

Detach cable (2) from cable clip.

Release cable (2) from vehicle underbody.

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Undo grommet (1) and remove wiring harness (2) for the electromagnetic parking brake for the EMF towards the top.

Undo cable connector (3) for the positive battery cable and lay line (4) to one side.

Release grommet and feed out positive wire (5) to the side.

Body+and+Frame

Stripping operations - replacing luggage compartment floor, middle (tail panel removed)

NOTE: Owing to the different engine variants and equipment specifications, not all the components are taken into consideration.

The following list basically represents the removal sequence.

  • Remove positive battery cable (61 12 002 )
  • Remove exhaust system.
  • Remove exhaust system heat shield
Body+and+Frame

Remove control units from holder (1) and lay in the front. Remove holder (1).

Remove POSITIVE BATTERY CABLE (2).

Undo positive battery cable (3) from operation support point.

Feed positive battery cables (3) and (4) through opening in luggage compartment floor.

Release and remove battery earth lead (5) from body.

Release nuts and remove operation support point (6).

Disconnect plug connection (1) for the EMF.

Detach cable (2) from cable clip.

Release cable (2) from vehicle underbody.

Body+and+Frame

Undo grommet (1) and remove wiring harness (2) for the electromagnetic parking brake for the EMF towards the top.

Undo connector (3) for the positive battery cable and put line (4) to one side.

Undo grommet and remove positive wire (5) towards the bottom and put to one side.

Body+and+Frame

Test yourself

A quick BMW X3 quiz: every answer comes with an explanation and a link to the manual page.