2009 BMW 6 Series Convertible engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines


Inlet camshaft	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace aluminum screws.

expand_moreOutlet camshaft


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace aluminum screws.
Second stage	60°60°60°
Install bearing using special tool.

expand_moreAll BMW gasoline straight-6 3.0 L N53 B30 A engines

expand_moreInlet camshaft of N52 engine


M6 × 30 screws	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace aluminum screws.

expand_moreOutlet camshaft N52 engine screws M7 × 70


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace aluminum screws.
Second stage	60°60°60°
Install bearing using special tool.

expand_moreInlet camshaft M7 × 70 screws of N53 engine


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Insert the screws dry.
Second stage	60°60°60°
Install bearing using special tool.

expand_moreOutlet camshaft M7 × 70 screws of N53 engine


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Insert the screws dry.
Second stage	60°60°60°
Install bearing using special tool.

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head screws

expand_moreAll BMW diesel straight-6 3.0 L M57 D30 (306D5) engines

expand_moreScrews 1 – 14

Figure 1. Cylinder head, Cylinder head screws, BMW diesel straight-6 3.0 L M57 D30 (306D5), Screws 1 – 14.


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws. See figure 1.
Second stage	180° detach
Loosen the cylinder head screws in the reverse order of tightening.
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	120°120°120°
Fifth stage	120°120°120°

expand_moreScrew 15


Sixth stage	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines

expand_moreMagnesium valve cover

expand_moreScrews 1 – 14

Figure 2. Cylinder head, Cylinder head screws, BMW gasoline straight-6 3.0 L N52 B30 A, Magnesium valve cover, Screws 1 – 14.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 2.
Second stage	90°90°90°
Fourth stage	45°45°45°

expand_moreScrews 1 – 10


Third stage	90°90°90°

expand_moreScrews 15 – 18


Fifth stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Sixth stage	90°90°90°

expand_morePlastic valve cover

expand_moreScrews 1 – 14


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 2.
Second stage	90°90°90°
Fourth stage	45°45°45°

expand_moreScrews 1 – 10


Third stage	90°90°90°

expand_moreScrews 15 – 18


Fifth stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreScrews 15 – 17


Sixth stage	90°90°90°

expand_moreScrew 18


Seventh stage	135°135°135°

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines

Figure 3. Cylinder head, Cylinder head screws, BMW gasoline V8 4.8 L N62 B48 B.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace the screws, do not wash off the coating. See figure 3.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreValve cover

expand_moreAll BMW diesel straight-6 3.0 L M57 D30 (306D5) engines

expand_moreM6


Screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreM7


Screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines

expand_moreMagnesium valve cover


First stage	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Replace screws.
Second stage	90°90°90°


Plastic valve cover	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll other modifications


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll BMW diesel straight-6 3.0 L M57 D30 (306D5) engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	70°70°70°

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screw, wash and slightly oil.
Second stage	120°120°120°

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace, wash and lightly lubricate the screws.
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	70°70°70°

expand_moreCrankshaft central screws

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	60°60°60°

expand_moreDrive plate


650 i with gasoline V8 4.8 L 362 HP engine (2005.7–2010.7)	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Replace screws.

expand_moreEngine block closure screws

expand_more635 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2007.7–2010.7)


M30 × 1 screws	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
M40 × 1,5 screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreFlywheel


All BMW gasoline V8 4.8 L N62 B48 B engines	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Lightly lubricate the screws thread.

expand_moreMain bearing

expand_moreAll BMW diesel straight-6 3.0 L M57 D30 (306D5) engines

expand_moreM10 × 85 screws


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Third stage	60°60°60°
Fourth stage	60°60°60°
Fifth stage	180° detach
from inside to outside
Sixth stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Seventh stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Eighth stage	60°60°60°
Ninth stage	60°60°60°

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines

expand_moreM10 × 100 screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	70°70°70°

expand_moreM10 × 27 screws


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace bolts.
Second stage	90°90°90°

expand_moreM10 × 41 screws


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace bolts.
Second stage	90°90°90°

expand_moreM8 × 37 screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace bolts.
Second stage	90°90°90°

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines

expand_moreBearing cap 5


Second stage	slacken
Align the crankshaft
Third stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreM11


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace the screws, do not wash off the coating.
Fourth stage	100°100°100°

expand_moreScrew with bearing bush


Fifth stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Use new screws.

expand_moreVibration damper

expand_moreAll BMW diesel straight-6 3.0 L M57 D30 (306D5) engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	120°120°120°

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines


M8 × 16 screws (class 10.9)	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
M8 × 20 screws (class 8.8)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll BMW gasoline straight-6 3.0 L N53 B30 A engines


M8 × 16 screws (class 10.9)	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
M8 × 20 screws (class 8.8)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All BMW gasoline V8 4.8 L N62 B48 B engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine control

expand_moreCamshaft adjuster

expand_more650 i with gasoline V8 4.8 L 362 HP engine (2005.7–2010.7)


M10	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Use new screw.

expand_moreCamshaft timing chain guide rail

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines

expand_moreBearing screws


M7	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreM18


Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll BMW gasoline straight-6 3.0 L N53 B30 A engines


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCamshaft timing chain slip rail

expand_more630 i with gasoline straight-6 3.0 L 255 HP engine (2004.9–2010.7)

expand_moreAt the cylinder head


M6 × 35 screws	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCamshaft timing chain tensioner

expand_more630 i with gasoline straight-6 3.0 L 255 HP engine (2004.9–2010.7)

expand_moreN52 engine


Magnesium valve cover	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace sealing rings.
Plastic valve cover	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace sealing rings.

expand_moreCamshaft timing chain tensioning rail

expand_more630 i with gasoline straight-6 3.0 L 255 HP engine (2004.9–2010.7)

expand_moreBearing screws


M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreM22


Cap	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreCamshaft timing gear

expand_moreChain tensioner

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines


M22 × 1,5 screws	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAll BMW gasoline straight-6 3.0 L N53 B30 A engines


M22 × 1,5 screws	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


All BMW gasoline V8 4.8 L N62 B48 B engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreInlet camshaft wheel

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines

expand_moreM10


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreAll BMW gasoline straight-6 3.0 L N53 B30 A engines

expand_moreN52 engine


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreN53 engine


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreOutlet camshaft wheel

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines

expand_moreM10


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreAll BMW gasoline straight-6 3.0 L N53 B30 A engines

expand_moreN52 engine


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreN53 engine


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreTiming case cover

expand_more635 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2007.7–2010.7)


M10	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines


M18	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreOil filter housing

expand_moreOil sump

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines

expand_moreM6


Oil sump top part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreM8


Oil sump lower part	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Oil sump top part	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine management

expand_moreKnock sensor


All BMW gasoline straight-6 3.0 L N52 B30 A engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All BMW gasoline V8 4.8 L N62 B48 B engines	14.75–16.23 lbf⋅ft14.75–16.23 lbf⋅ft20–22 N⋅m


Lambda sensor	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold

expand_moreAll BMW gasoline straight-6 3.0 L N52 B30 A engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace nuts.
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace nuts.
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace the nuts and use fitting paste
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace the nuts and use fitting paste
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace the nuts and use fitting paste

expand_moreIgnition system

expand_moreSpark plugs


All BMW gasoline straight-6 3.0 L N52 B30 A engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll BMW gasoline V8 4.8 L N62 B48 B engines


M12	14.75–19.18 lbf⋅ft14.75–19.18 lbf⋅ft20–26 N⋅m
M14	19.91–24.34 lbf⋅ft19.91–24.34 lbf⋅ft27–33 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2009 BMW 6 Series Convertible user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and BMW warranty policy for your region. In some regions DIY service may invalidate your warranty.

Maintenance Items

Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow BMW 6 Series Convertible service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2009 BMW 6 Series Convertible you're not only saving money, but also also improving your technical skills and learning something new.

2009 BMW 6 Series Convertible First generation LCI Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

BMW 6 Series Convertible First generation LCI model years

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