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.
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HOMESERVICE MANUALSBMW2021Z4 SDRIVE M40IREPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESTECHNICAL DATA -- (G29)41 BODY TECHNICAL DATA4100 BODY
2021 BMW Z4 sDrive M40i
4100 Body
2021 BMW Z4 sDrive M40iSECTION 4100 Body
4100 TECHNICAL DATA OVERVIEW
| Air drying time after the order | ||
| Betawipe4800 | 2 min | |
| Filler S1 | ||
| Processing time 20°C |
90 min | |
| Processing time 30°C |
60 min | |
| Curing time 60°C |
60 min | |
| Storage | 15°C...25°C | |
| Shelf life (observe expiration date on the cartridge) | 12 Months | |
| Gap between upper side trim panel and linkage output flap | ||
| 1 upper side trim panel; 2 linkage output flap | a | 6.0 +1.3-1.3 mm |
| Gap dimension from hood to bumper cover | ||
| 1 hood; 2 bumper cover | a | 3.5 +1-1 mm |
| b | 0.5 +1.5-1.5 mm | |
| Gap dimension from hood to outer bumper cover | ||
| 1 hood; 2 bumper cover | a | 4 +1.8-1.8 mm |
| b | 0.5 +1.5-1.5 mm | |
| Gap dimension front door to door sill trim panel | ||
| 1 front door; 2 door sill trim panel | a | 3.8 +13-1.3 mm |
| b | 0.5 +1.5-1.5 mm | |
| Gap dimension front door to rear quarter panel | ||
| 1 Front door; 2 rear quarter panel | a | 3.8+1.1-1.1 mm |
| b | 0 +1.3-0.3 mm | |
| Gap dimension hood to front door | ||
| 1 hood; 2 front door | a | 4.1 +1.3-1.3 mm |
| b | 0.8+1.1-1.1 mm | |
| Gap dimension hood to headlight | ||
| 1 hood; 2 headlight | a | 3.9 +1.8-1.8 mm |
| b | 0.7+1.8-1.8 mm | |
| Gap dimension hood to side panel | ||
| 1 hood; 2 side panel | a | 4.5 +1.4-1.4 mm |
| b | 8.1 +1.6-1.6 mm | |
| Gap dimension of trunk lid to inner tail light | ||
| 1 tail light; 2 trunk lid | a | 4.3 +1.5-1.5 mm |
| 4.5+1.9-1.9 mm | ||
| Gap dimension of trunk lid to tail light | ||
| 1 Trunk lid; 2 tail light | a | 4.7 +1.5-1.5 mm |
| Gap dimension of windshield panel to convertible top | ||
| 1 Convertible top; 2 windshield panel seal | a | 2.3 +2.2-2.2 mm |
| Gap dimension of windshield to windshield panel | ||
| 1 Windshield; 2 seal of windshield panel | a | 3.3+1.2-1.2 mm |
| b | 2.4 +1.3-1.3 mm | |
| Gap dimension rear quarter panel to trunk lid | ||
| 1 rear quarter panel; 2 trunk lid | a | 3.7+1.1-1.1 mm |
| b | 0.4 +1.4-1.4 mm | |
| Gap dimension side panel to front door | ||
| 1 Side panel; 2 front door | a | 4.1 +1-1 mm |
| b | 0.5+1.1-1.1 mm | |
| Gap dimension trunk lid to rear bumper panel | ||
| 1 Trunk lid; 2 tail light | a | 4.2 +1.5-1.5 mm |
| 0.4 +1.4-1.4 mm | ||
| Gap dimension windshield to roof outer skin | ||
| 1 windshield; 2 roof outer skin | a | 3.8 +1.2-1.2 mm |
| 2.4+1.3-1.3 mm | ||
RENDER: 1.0x
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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.