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 DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATIONGENERAL ORPHAN DATA (1 OF 2)(MAIN GROUP 17)
2021 BMW Z4 sDrive M40i
(Main group 17)
2021 BMW Z4 sDrive M40iSECTION (Main group 17)
17 01 96 (140)
Main group 17
- 1.0 Coolant requirements
- 1.1 Introduction of a coolant specification
- 2.0 Change interval, changing and check of coolant, disposal, cleaning the cooling system
- 3.0 Technically suitable antifreeze and anti-corrosion agents for BMW, BMWi, MINI and Rolls-Royce
- 4.0 Radiator antifreeze and corrosion inhibitor, nitrite-free (BMW LC-87)
- 5.0 Frostox HT-12 radiator antifreeze (BMW LC-18)
- 6.0 i3 coolant concentrate (BMW LC-13)
- 7.0 G30-91 radiator antifreeze and corrosion inhibitor, nitrite-free (BMW LC-07)
- 8.0 Coolant additives
RENDER: 1.0x
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.