Replace the nut and lightly oil the contact surfaces.
Second stage
45°45°45°
expand_moreM27
Central nuts
309.78 lbf⋅ft309.78 lbf⋅ft420 N⋅m
Replace the nut and lightly oil the contact surfaces.
expand_moreM8 screws with ribbing
Torx screws
38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m
Replace screws.
expand_moreClutch
Clutch master cylinder
16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
expand_moreClutch pressure plate
expand_moreAll other modifications
expand_moreM8 screws (class 10.9)
First stage
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Second stage
85–95°85–95°85–95°
Clutch slave cylinder
16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
expand_moreDifferential
expand_moreRear axle differential
expand_moreAt the axle support
M12
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
M14
121.7 lbf⋅ft121.7 lbf⋅ft165 N⋅m
Replace nuts.
Rear axle differential oil filler screws
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.
expand_moreGearbox
expand_moreGearbox flange connection at engine
expand_moreAll other modifications
expand_moreM10
Screws
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Torx screws
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_moreM12
Screws
55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Torx screws
47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
expand_moreM6
Screws
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Torx screws
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
expand_moreM8
Screws
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Torx screws
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
expand_moreGearbox lubrication
expand_moreGearbox oil drain plug
expand_moreAll other modifications
expand_moreGA6HP19Z gearbox
Plastic oil sump
8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Replace sealing rings.
With light-alloy oil sump
5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace sealing rings.
expand_moreGS6-17BG/DG and GS6-37DZ/BZ gearboxes
GS6-53BZ/DZ gearbox
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.
expand_moreGearbox oil filler plug
expand_moreAll other modifications
GA6HP19Z gearbox
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.
GA6L45R gearbox
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace sealing rings.
GS6-17BG/DG, GS6-37DZ/BZ and GS6-53BZ/DZ gearboxes
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.
expand_moreGearbox oil sump
GA6HP19Z gearbox
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
expand_moreGearbox mounting
expand_moreGearbox cross support
expand_moreAll other modifications
expand_moreAt the gearbox
M10
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M12
55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
expand_moreOn chassis
M10
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
expand_moreGearbox mounting
expand_moreAll other modifications
expand_moreAt the gearbox and at the crossmember
M8
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2014 BMW 3 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.
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 3 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 2014 BMW 3 Series Convertible you're not only saving money, but also also improving your technical skills and learning something new.
BMW 3 Series Convertible Fifth generation LCI model years