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radkov motor sport

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MINI Clubman
Technical specifications B48 A20A/2 (F54) (15-)

Tightening torques

Tightening torques

Cylinder head instructions

Cylinder head

Use new bolts.

Do not remove bolt coating.

Lightly coat contact surfaces between bolt head, washer and cylinder head (use oil).
Tighten bolts 1-10 (M11) in the following stages:
1. 30 Nm
2. 90°
3. 180°
Timing chain housing bolts:
M8 x 40 = 19 Nm

Fig1176294

Other engine tightening torques

Main bearings Renew Yes

bolts/nuts
Main bearings Stage 1

Main bearings

Do not remove bolt coating.

Tighten bolts in the following stages:

1. 25 Nm
2. 60°
3. 60°

fig1175293

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Oil baffle plate = 15 Nm + 45°(use new bolts)

fig1175293

Big end bearings Renew Yes

bolts/nuts
Big end bearings Stage 1 1)5 Nm 2)20 Nm

Big end bearings

Do not mix bolt types fig1230423.A & fig1230423.B.

fig1230423

Big end bearings Stage 2 3)70° 4)70°

Oil pump to cylinder block 19 Nm

Use new nuts/bolts.

Sump bolts

Sump bolts

Apply a 2,0-2,5 mm diameter bead of Loctite 5970 or equivalent to sump fig1178550.A.

Assemble components within 10 minutes. Wait 25 minutes before starting engine to allow sealant to dry. Excess
sealant can cause engine damage.

Tighten bolts in the following stages fig1175535:

1. 2-20 = Hand tighten
2. 1 (sump to transmission) = Hand tighten
3. 2-20 = 24 Nm
4. 1 (sump to transmission) = 19 Nm

Ensure M8 x 40 bolt is installed in location shown, otherwise transmission damage may occur fig1231049.A.

Starter motor bolts:

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2/25/22, 12:39 PM Technical specifications | Autodata
M8 x 45 bolts fig1231049.B = 19 Nm

fig1178550

fig1175535

fig1231049

Sump drain bolt 25 Nm

Flywheel/driveplate 120 Nm/120 Nm

Use new nuts/bolts.

Clutch pressure plate 15 Nm+90°

Use new bolts.

Crankshaft pulley/damper bolts

Crankshaft pulley/damper bolts

If crankshaft pulley is removed, always install new crankshaft oil seal.

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Do NOT lubricate crankshaft oil seal. Do NOT touch sealing lip.

Use new bolts.

Vibration damper to crankshaft - 4 bolts (M10):
1. 28 Nm
2. 180°

Camshaft sprocket/gear

Camshaft sprocket/gear

Tighten in the following stages:

→31.10.2015: Oil control valve with M12 thread (hexagonal head):
1. 30 Nm
2. 50 Nm
3. 65°
01.11.2015-30.04.2018: Oil control valve with M22 thread (hexagonal head):
1. 30 Nm
2. 50 Nm
3. 28°
01.01.2017→: Oil control valve with M21 thread (multi-spline head):
1. 10 Nm
2. 30 Nm
3. 50 Nm
4. 28°

Camshaft carrier/cap M6 8.8=1)10 Nm 2)10 Nm, M6 10.9=1)12 Nm 2)12 Nm

Camshaft/rocker cover 10 Nm

Camshaft/rocker cover

Tighten bolts in sequence fig1176362.

fig1176362

Inlet manifold to cylinder head 10 Nm

Exhaust manifold to cylinder head

Exhaust manifold to cylinder head

Bottom clamping strip remains bolted when exhaust manifold/turbocharger is removed.

Top bolts: Tighten bolts in the following stages from inside outwards:

1. 10 Nm
2. 10 Nm
3. 16 Nm
4. 16 Nm
5. 16 Nm

Clamping strip: Tighten bolts in the following stages:

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1. 10 Nm
2. 16 Nm
3. 16 Nm

Exhaust downpipe to manifold 26 Nm

Water pump 10 Nm
Spark plugs 23 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) 5 Nm
sensor
Camshaft position (CMP) sensor 4 Nm
Engine coolant temperature (ECT) sensor 14 Nm
Lambda sensor (Oxygen) 50 Nm

Lambda sensor (Oxygen)

Coat threads with high temperature lubricant (BMW part No. 83-23-2-158-852).

High temperature lubricant must not enter slots on lambda sensor.

Knock sensor (KS) 22 Nm

Engine oil pressure switch 22 Nm
Oil filter

Oil filter

Lubricate seal contact surface.

Tighten in the following stages:
1. 25 Nm
2. Slacken off 180°
3. 25 Nm
Oil filter drain plug:
1. Use new drain plug.
2. 5 Nm

Chassis tightening torques

Front hub 210 Nm+90°

Use new bolts.

Front hub - wheel bearing housing bolts

Front hub

Use new bolts.

M12 x 1,25 x 45 = 120 Nm + 90°
M12 x 1,5 x 45 = 80 Nm + 90°

Ensure wheel bearing is used with the correct bolts to prevent damage to wheel bearing.

Rear hub 4x4=210 Nm+90°

Use new bolts.

Rear hub - wheel bearing housing bolts 100 Nm+90°

Use new bolts.

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Steering wheel 63 Nm

Use new bolts.

Steering rack/box mounting 100 Nm+45°

Use new bolts.

Steering track rod end 175 Nm

Use new nuts.

Brake disc to hub Front 16 Nm

Use new bolts.

Brake caliper to carrier Front 35 Nm

Use new bolts.

Brake caliper/carrier to hub Front 110 Nm

Use new bolts.

Brake disc to hub Rear 16 Nm

Use new bolts.

Brake caliper to carrier Rear 30 Nm

Use new bolts.

Brake caliper/carrier to hub Rear 30 Nm+90°

Use new bolts.

Back plate to hub Rear 12 Nm

Use new bolts.

ABS sensor Front 8 Nm

Use new bolts.

ABS sensor Rear 12 Nm

Use new bolts.

Road wheels 140 Nm

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Road wheels

Lightly coat mating surfaces between wheel centre hole and hub (use grease).

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