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HOMESERVICE MANUALSMINI2013COOPER COUNTRYMAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 4475 (FUNCTIONAL DESCRIPTION - F10 - ENGINE PERFORMANCE)ENGINE PERFORMANCE - FUNCTIONAL DESCRIPTIONVALVE GEARNOTES
2013 Mini Cooper Countryman, Standard Trans

Valve gear: Notes

2013 Mini Cooper Countryman, Standard TransSECTION Notes
WARNING: This page does not describe the selected car, but rather 45 other vehicles, including the 2016 BMW M5, 2016 BMW 550i xDrive, 2016 BMW 550i, 2016 BMW 535i xDrive, and 2016 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.

The valve gear consists of the fully variable valve lift timing (Valvetronic) and the variable camshaft timing control (double VANOS), which enables a free choice of closing time for the intake valve. Valve lift timing only takes place on the intake side; camshaft control takes place on the intake and exhaust side.

Throttle-free load control is only possible if the following variables can be controlled:

  • Valve lift of the intake valve
  • Camshaft adjustment of the intake and exhaust camshafts.

Result: The opening period of the intake valve is variable.

Fig 1: Identifying Valve Gear Related Components
G09910348Courtesy of BMW OF NORTH AMERICA, INC.
Index Explanation
1 Torsion spring
2 Eccentric shaft
3 Exhaust camshaft
4 Exhaust VANOS adjustment unit
5 Exhaust roller cam follower
6 Exhaust hydraulic valve clearance compensating element
7 Valve spring, exhaust valve
8 Exhaust valve
9 Valvetronic servomotor
10 Intake valve
11 Valve spring, intake valve
12 Intake hydraulic valve clearance compensating element
13 Intake roller cam follower
14 Intermediate lever
15 Intake camshaft
16 Intake VANOS unit
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.