BMW 3: Chain tensioner
BMW 3 Series G20 (2018-2026) Training manual / B46TU-B48TU Engines / Engine Mechanical / Chain tensioner
Chain tensioner
- Tensioning rail
- Sealing sleeve
- Chain tensioner with screw thread
Due to the cylinder head manufacturing process, the chain tensioner now has a sealing sleeve with a height of 12.5 mm instead of a sealing ring.
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Valve gear
VANOS
VANOS unit B46 engine and B46TU/B48TU engines
VANOS B46 engine
VANOS B46TU and B48TU engine
Following the changeover from a two-part chain drive to a single-part chain
drive, the camshaft
Belt drive
Comparison belt drive B46 engine and B46TU/B48TU engines
B46 Engine (transverse installation shown)
B46TU/B48TU engines (transverse installation shown)
Deflecting element
Alternator
Coolant p
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Messages: for tires without
special approval
General information
A low tire inflation pressure may cause the DSC
Dynamic Stability Control to be switched on.
Safety information
Warning
A damaged regular tire with low or missing tire
inflation pressure impacts handling, such as
steering and braking response. Run-flat tires
can maintain limited
System limits
Safety information
Warning
The system is designed to operate in certain
conditions and circumstances. Due to conditions
or other factors, the system may not respond.
There may be a risk of accident or risk
of damage to property. Actively intervene as
warranted. Refer to the information in this Own
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