BMW 8 CONVERTIBLE 2023 Series Owner's Manual page 350

MOBILITY
Suitable engine oil types
When topping up engine oil, the following oil
specification applies:
Gasoline engine
BMW Longlife-01 FE.
BMW Longlife-17 FE+.
The BMW Longlife-17 FE+ oil specification is
not suitable for the 50i gasoline engine.
Alternative engine oil types
If an engine oil suitable for continuous use
is not available, up to 1 US quart/liter of an
engine oil with the following oil rating can be
added:
Oil specification
API SL.
API SM.
API SN.
Viscosity grades
When selecting an engine oil, make sure that
the engine oil has a suitable viscosity grade.
The suitable viscosity grade is indicated on a
sign in the engine compartment.
Viscosity grades
SAE 0W-20.
SAE 0W-30.
The viscosity grade SAE 0W-20 is not suitable
for gasoline engine 50i.
More information about suitable oil specifica-
tions and engine oil viscosity grades can be
requested from an authorized service center or
another qualified service center or repair shop.
350
Operating materials
Online Edition for Part no. 01405A7B930 - II/23
Coolant
General information
Coolant consists of water and coolant additive.
Not all commercially available coolant addi-
tives are suitable for the vehicle. The vehicle
manufacturer recommends using coolant with
the BMW LC-18 specification. Do not mix cool-
ant additives of different colors. Use a 50:50
mixing ratio of water to coolant additive. Infor-
mation on suitable coolant additives can be
provided by an authorized service center or
another qualified service center or repair shop.
Safety information
Warning
With the engine hot and the cooling system
open, coolant can escape and lead to scald-
ing. There is a risk of injury. Only open the
cooling system with the engine cooled down.
Warning
Additives are harmful and incorrect additives
can damage the engine. There is a risk of
injury and risk of damage to property. Do not
allow additives to come into contact with skin,
eyes or articles of clothing. Use suitable addi-
tives only.
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