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Special tools

Special tools

Exhaust camshaft alignment tool - BMW No.11 9 291/3.
Inlet camshaft alignment tool - BMW No.11 9 292.
Flywheel timing pin - BMW No.11 9 190.
Sensor gear alignment tool - BMW No.11 9 350.
Timing chain pre-tensioning tool - BMW No.11 9 340.

General precautions

General precautions

Disconnect battery earth lead.
Remove spark plugs to ease turning engine.
Turn engine in normal direction of rotation (unless otherwise stated).
Observe tightening torques.
If fitted: Mark position of crankshaft position (CKP) sensor before removal.
Do NOT turn crankshaft via camshaft or other sprockets.
Do NOT turn crankshaft or camshaft with timing chain removed.

Valve timing procedures

Valve timing procedures

Removal/installation of timing chain requires:

Sump removal.

NOTE: Refer to Technical Data module for tightening torques.

Engine at TDC on No.1 cylinder.
Remove blanking plug from cylinder block.
Insert flywheel timing pin [1] . Tool No.11 9 190.
Ensure rear of camshafts correctly aligned [2] .

NOTE: Curved profile at rear of camshaft points upwards [3] .

Install inlet camshaft alignment tool [4] . Tool No.11 9 292.
Install exhaust camshaft alignment tool [5] . Tool No.11 9 291.
Timing correct when inlet camshaft alignment tool abuts cylinder head or is raised up to a maximum of 0,5 mm on inlet
side. Timing correct when exhaust camshaft alignment tool abuts cylinder head or is raised up to a maximum of 1 mm on
inlet side.
If not, adjust camshafts as follows:

Slacken bolt on each camshaft adjuster and then re-tighten by hand [6] .

Manufacturer: BMW

Model: 3 Series (E46) 1,8 318i

Engine code: N46 B18

Output: 85 (115) 5500

Tuned for: R-Cat

Year: 2004-07

© Autodata Limited 2010

2015-02-06

Valid forever.

V8.500-

Install inlet camshaft alignment tool [4] . Tool No.11 9 292.
Align inlet camshaft. Ensure inlet camshaft alignment tool abuts cylinder head.
Install exhaust camshaft alignment tool [5] . Tool No.11 9 291.
Tighten exhaust camshaft alignment tool to cylinder head.
Tighten bolt on exhaust camshaft alignment tool until it rests on inlet camshaft alignment tool [7] .
Tighten inlet camshaft alignment tool to cylinder head [4] .

NOTE: Tensioner plunger is spring loaded.

Remove tensioner [8] .

NOTE: If chain tensioner is to be reused it must be drained of oil. Compress plunger slowly twice.

Install timing chain pre-tensioning tool [9] . Tool No.11 9 340.
Tighten adjusting screw until in contact with guide rail. DO NOT overtighten screw.
Replace bolt on each camshaft adjuster and re-tighten by hand [6] .
Install sensor gear alignment tool and secure to cylinder head [10] . Tool No.11 9 350.
Slacken bolt of each camshaft adjuster by half a turn [6] .
Pre-load timing chain with tensioning tool to 0,6 Nm [9] . Tool No.11 9 340.

NOTE: Bolt for camshaft adjusters MUST only be used once.

Tighten bolt of each camshaft adjuster [6] .
Tightening sequence:

First stage - 20 Nm.
Second stage - 90°.
Third stage - 90°.

Remove flywheel timing pin [1] .
Remove sensor gear alignment tool [10] .
Remove camshaft alignment tools [4] & [5] .
Remove timing chain pre-tensioning tool [9] .
Install tensioner assembly [8] . Tightening torque: 65 Nm.
Turn crankshaft two turns clockwise.
Ensure flywheel timing pin and camshaft alignment tools can be refitted [1], [4], [5] & [10] .
Timing correct when camshaft alignment tools abut cylinder head [4] & [5] .

NOTE: Crankshaft pulley central bolt MUST only be used once.

Manufacturer: BMW

Model: 3 Series (E46) 1,8 318i

Engine code: N46 B18

Output: 85 (115) 5500

Tuned for: R-Cat

Year: 2004-07

© Autodata Limited 2010

2015-02-06

Valid forever.

V8.500-

Manufacturer: BMW

Model: 3 Series (E46) 1,8 318i

Engine code: N46 B18

Output: 85 (115) 5500

Tuned for: R-Cat

Year: 2004-07

© Autodata Limited 2010

2015-02-06

Valid forever.

V8.500-