2012 BMW 1 Series Convertible rear suspension fastener tightening specifications

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Condition	Value

expand_moreRear axle brake

expand_moreBrake anchor plate


M6	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
M8	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace bolt.

expand_moreRear axle brake caliper


Hexagon head screws	23.6–28.03 lbf⋅ft23.6–28.03 lbf⋅ft32–38 N⋅m
Use new screws.
Hexagon head screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Clean the components and do not grease.


Rear axle brake caliper mounting support	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace self-locking or microencapsulated screws.
Rear axle brake disc	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Replace screws.
Rear axle brake hose	16.23–19.18 lbf⋅ft16.23–19.18 lbf⋅ft22–26 N⋅m

expand_moreRear axle brake line


M12	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreRear axle wheel speed sensor


On stub axle	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreRear axle steering

expand_moreRear axle track rod

expand_moreInside


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.

expand_moreOutside


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Use new screw.

expand_moreRear axle suspension

expand_moreRear axle shock absorber


At the bearing pedestal	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
Replace nuts.

expand_moreAt the transverse control arm


Screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screws.

expand_moreOn chassis


Top	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreRear axle shock absorber piston rod


M10	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreRear axle wheel suspension

expand_moreLower front transverse control arm

expand_moreAt the axle support


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.

expand_moreOn stub axle


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.

expand_moreLower rear transverse control arm

expand_moreInside


M14	121.7 lbf⋅ft121.7 lbf⋅ft165 N⋅m
Replace nuts.

expand_moreM10


Center	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.

expand_moreOutside


M14	121.7 lbf⋅ft121.7 lbf⋅ft165 N⋅m
Replace nuts.

expand_moreRear axle carrier

expand_moreBMW diesel straight-4 2.0 L N47 D20 C 194 HP

expand_moreOn chassis


M12	79.66 lbf⋅ft79.66 lbf⋅ft108 N⋅m

expand_moreAll other modifications

expand_moreOn chassis


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreRear axle drive shaft

expand_moreAt the differential


M8	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m
Replace screws.

expand_moreAt the differential (M10)


ZNS screws	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.
ZNS3 screws	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.

expand_moreAt the differential (M12)


ZNS screws	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.

expand_moreOn wheel hub


M24	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m
Replace nuts.
M27	309.78 lbf⋅ft309.78 lbf⋅ft420 N⋅m
Replace nuts.

expand_moreRear axle stabilizer mounting


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreRear axle stabilizer support at the stabilizer


M10	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m

expand_moreRear axle stabilizer support at the stub axle


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreTrack control arm upper

expand_moreInside


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.

expand_moreOutside (M12)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreUpper front transverse control arm

expand_moreInside


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.

expand_moreOutside (M12)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreUpper rear transverse control arm

expand_moreInside


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.

expand_moreOutside (M12)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreWheels and tires

expand_moreTire pressure sensors


Torx screws	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Replace the screw.
Union nuts	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m


Wheel attachment	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2012 BMW 1 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

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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 1 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 2012 BMW 1 Series Convertible you're not only saving money, but also also improving your technical skills and learning something new.

2012 BMW 1 Series Convertible First generation LCI Rear Suspension Fastener Tightening Specifications

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Conquer your fears and never give up!

BMW 1 Series Convertible First generation LCI model years

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