BMW 3: Chain tensioner
BMW 3 Series G20 (2018-2025) 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.
READ NEXT:
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
SEE MORE:
Providing assistance
Hazard warning flashers
The button is located in the center console.
Breakdown assistance
BMW Roadside Assistance
Via iDrive:
1. "APPS".
2. "Installed apps".
3. "BMW Assist".
4. If necessary, "BMW Roadside Assistance".
A voice connection is established.
ConnectedDrive
Concierge service
The BMW A
Components and their installation location
G20 PHEV components of the fuel supply in European version
Carbon canister
Pressurized fuel tank (in cast aluminum housing)
Fuel filler flap with cover
Fuel tank isolation valve
Cable for emergency release of the fuel filler flap
Tank vent valve
Digital Motor Electronics (DME)
Fuel ta
© 2019-2025 Copyright www.bmw3g20.com
