BMW 3: 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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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
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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To reset BMW Digital Key, an authorized vehicle
key must be located in the vehicle.
After the reset, the vehicle can no longer be unlocked,
locked or started with a digital key.
The vehicle owner must present proof of authorization
for his vehicle again at the service center
to be able to use BMW
Concept
Driver profiles can be created to store personal
vehicle settings. If the vehicle is used by multiple
drivers, each driver can create his personal driver
profile. When a driver profile is selected, the vehicle
will automatically apply the stored settings in
the driver profile.
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