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.
Adjusting Bonnet (M4 Coupe, M4 Convertible)
For vehicles with active pedestrian protection, observe the ALTERNATE PROCEDURE !
Minor corrections (realignment work) are permitted if the existing adjustment options are not sufficient.
Observe Gap Dimensions: See BODY DIMENSIONS .
The stop screw is preset and must not be used to adjust the engine compartment lid.
Slacken nuts (1) of hinges on left and right.
Tightening torque 41 61 BONNET .
Adjust engine compartment lid sideways and lengthways.
Strikers must snap into place in engine compartment lid catch.
Height adjustment at hinge:
Slacken screws (1) and adjust engine compartment lid.
Tightening torque 41 61 BONNET .
Height adjustment at strikers:
Unclip the anti-twist lock (1).
Adjust height by turning the striker (2).
Height adjustment of engine compartment lid to side panel by means of stop pad.
Incorrect adjustment results in either wobbling of the bonnet or sluggish unlocking.
After Installation note:
- Tighten all screws and nuts to specified torque.
- Touch up unpainted surfaces in the appropriate color.
- If necessary, adjust front side panels.
NO RELATED
Use the Manual With the Right Hardware
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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.