1993 BMW 3 Series Sedan engine fastener tightening specifications

in your garage to make future searches easy.

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_moreCooling system


Viscous fan clutch	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head screws

expand_more325 td with diesel straight-6 2.5 L 114 HP engine (1991.9–1998.2)

Figure 1. Cylinder head, Cylinder head screws, 325 td with diesel straight-6 2.5 L 114 HP engine (1991.9–1998.2).


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
See figure 1.
Second stage	slacken
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°
Sixth stage	Warm-up run
Seventh stage	90°90°90°

expand_moreAll other modifications

Figure 2. Cylinder head, Cylinder head screws, All other modifications.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws, and oil the screws. See figure 2.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreValve cover


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


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	70°70°70°

expand_moreCrankshaft central screws


316 i with gasoline straight-4 1.6 L 101 HP engine (1990.9–1993.9)	228.64 lbf⋅ft228.64 lbf⋅ft310 N⋅m
Replace bolt.
316 i with gasoline straight-4 1.6 L 101 HP engine (1993.7–1998.2)	243.4 lbf⋅ft243.4 lbf⋅ft330 N⋅m
Replace bolt.
316 i with gasoline straight-4 1.6 L 98 HP engine (1990.9–1993.9)	228.64 lbf⋅ft228.64 lbf⋅ft310 N⋅m
Replace bolt.
318 i with gasoline straight-4 1.8 L 111 HP engine (1990.12–1993.10)	228.64 lbf⋅ft228.64 lbf⋅ft310 N⋅m
Replace bolt.
318 i with gasoline straight-4 1.8 L 114 HP engine (1993.10–1998.2)	243.4 lbf⋅ft243.4 lbf⋅ft330 N⋅m
Replace bolt.
318 is with gasoline straight-4 1.8 L 138 HP engine (1993.3–1998.2)	243.4 lbf⋅ft243.4 lbf⋅ft330 N⋅m
Replace bolt.

expand_more325 td with diesel straight-6 2.5 L 114 HP engine (1991.9–1998.2)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Use new screw.
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	30°30°30°

expand_more325 tds with diesel straight-6 2.5 L 141 HP engine (1993.5–1998.2)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Use new screw.
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	30°30°30°


All other modifications	302.4 lbf⋅ft302.4 lbf⋅ft410 N⋅m
Replace bolt.


Drive plate	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.

expand_moreFlywheel


316 i with gasoline straight-4 1.6 L 101 HP engine (1990.9–1993.9)	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
316 i with gasoline straight-4 1.6 L 101 HP engine (1993.7–1998.2)	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
316 i with gasoline straight-4 1.6 L 98 HP engine (1990.9–1993.9)	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
318 i with gasoline straight-4 1.8 L 111 HP engine (1990.12–1993.10)	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
318 i with gasoline straight-4 1.8 L 114 HP engine (1993.10–1998.2)	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
318 is with gasoline straight-4 1.8 L 138 HP engine (1993.3–1998.2)	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
All other modifications	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
Lightly lubricate the screws thread.

expand_moreMain bearing

expand_more316 i with gasoline straight-4 1.6 L 101 HP engine (1990.9–1993.9)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	50°50°50°

expand_moreAll other modifications

expand_moreAluminium engine block


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

expand_moreGrey cast-iron engine block


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	50°50°50°

expand_moreVibration damper


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine control

expand_moreCamshaft timing gear

expand_more316 i with gasoline straight-4 1.6 L 101 HP engine (1990.9–1993.9)


M10	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_more316 i with gasoline straight-4 1.6 L 101 HP engine (1993.7–1998.2)


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

expand_moreAll other modifications


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Chain tensioner	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreChain tensioner locking screws

expand_moreAll BMW gasoline straight-4 1.8 L M42 B18 (184S1) engines


M22 × 1,5 screws	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreTiming case cover

expand_more318 is with gasoline straight-4 1.8 L 138 HP engine (1993.3–1998.2)


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

expand_moreAll other modifications


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


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Oil filter housing	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil sump


M6 screws (class 10.9)	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
M6 8.8	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine management


Glow plugs	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold

expand_more316 i with gasoline straight-4 1.6 L 101 HP engine (1990.9–1993.9)


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_more316 i with gasoline straight-4 1.6 L 101 HP engine (1993.7–1998.2)


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.


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.

expand_moreIgnition system


Spark plugs	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1993 BMW 3 Series Sedan 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 3 Series Sedan 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 1993 BMW 3 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1993 BMW 3 Series Sedan Third generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

BMW 3 Series Sedan Third generation model years

Suggest edit