Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Preparing New Part
Structural adhesive bonding.
Observe preparation of bonding surfaces.
For additional information see: BMW/MINI BONDING INSTRUCTIONS REP-ALG-RAG1141-4105402-V.11 (X5 M) .
- Remove adhesive residue on the bonding surfaces (1) through (3).
- Seal the hole (1) by MAG weld.
- Adjust new parts with an alignment bracket or a universal fixture and secure.
- Prepare areas (1) and (2) for structural adhesive bonding of steel on aluminum.
- Transfer the holes to the new part in areas (1) and (2). Drill holes with Ø 6.8 mm.
- Prepare area (1) for structural adhesive bonding of steel on aluminum with blind rivets.
- Transfer the holes to the new part in area (1). Drill the holes with dia. 6.8 mm.
- Prepare areas (1) and (2) for structural adhesive bonding with blind rivets of aluminum on aluminum.
- Transfer the positions of the holes from the engine mount to the spring support in areas (1). Drill out holes to dia. 6.8 mm.NOTE: TECHNICAL INFORMATION
For additional information see: 41 00... Transferring hole pattern. - Transfer the hole patterns from the engine mount to the spring support in areas (2). Drill out holes to dia. 6.8 mm.
- Prepare area (1) for structural adhesive bonding with blind rivets of aluminum on aluminum.NOTE: TECHNICAL INFORMATION
For additional information see: 41 00... Transferring hole pattern. - Transfer the hole pattern of the engine mount to the new part in area (1). Drill out holes to dia. 6.8 mm.
- Fit in new part.
- Prepare areas (1) for joining by welding.
- Prepare area (2) for structural adhesive bonding with blind rivets of aluminum on steel.
- In the area (2), drill holes to Ø 6.8 mm. Select the number and position in line with the self-tapping screws of the standard production.
- Prepare area (3) for structural adhesive bonding with blind rivets of steel on steel.NOTE: TECHNICAL INFORMATION
For additional information see: 41 00... Transferring hole pattern. - Transfer the hole pattern to the new part in area (3). Drill the holes with dia. 6.8 mm.
- Prepare area (1) for structural adhesive bonding with blind rivets of aluminum on steel.
- Transfer the hole positions from the wheelhouse to the spring support in area (1). Drill out holes to dia. 6.8 mm.
- Prepare area (1) for structural adhesive bonding of steel on aluminum with blind rivets.
- Transfer the hole positions from the engine compartment bulkhead to the spring support in area (1). Drill out holes to dia. 6.8 mm.
- Prepare area (1) for structural adhesive bonding with blind rivets of aluminum on aluminum.
- Prepare area (2) for structural adhesive bonding of steel on aluminum with blind rivets.
- Set holes Ø 6.8 mm in the areas (1) and (2). Get the number and position of the holes from the standard parts.
- Prepare the area (1) for the structural adhesive bonding of steel on steel.
- Prepare areas (1) and (2) for structural adhesive bonding with punch rivets of aluminum on aluminum and of steel on aluminum.
- Mark and make the separating cut (1) on the new part according to the separating cut (2) on the vehicle with a material allowance of 15 - 20 mm.
- In areas (3), prepare overlapping joining by welding.
- Fit in new part section.
- Prepare area (1) for structure bonding steel on steel.
- Prepare area (2) for joining by welding.
- Set a bore Ø 6.8 mm centrally in area of recess (1).
- Set two holes (2) Ø 6.8 mm according to dimension (a).
Dimension (a) = 70 mm from the component edge
- Transfer holes (3) to the new part and drill with Ø 6.8 mm.
- Adapt the new part in the area of the existing bores (4) for setting blind rivets if applicable.
- Remove new parts and deburr bores.
- Position holder (1).
- Prepare area (2) for structural adhesive bonding of aluminum on aluminum.
- In the area (2), drill holes to Ø 6.8 mm. Select the number and position in line with the self-tapping screws of the standard production.
Replacing the coarse thread bolt and threaded weld bolts (steel surface)
NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details. - Renew the coarse thread bolt (1) and the threaded weld bolt (2).
Parts: Coarse thread bolt, threaded weld bolt
Take the number and position from the component to be replaced or the add-ons.
- Weld the coarse thread bolt (1) and threaded weld bolt (2) onto the new part.
Check ground pins and replace if necessary
NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details. - Check the ground pins (1) for stability and renew if necessary.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.