1993 BMW 740 spark plug diagram

1993 BMW 740
180,000 MILES • V8 • 2WD • AUTOMATIC
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BAJA366
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i need to know how to replace the spark plugs on my 1993 bmw 740i. Please Help!!
Sep 27, 2010 at 4:37 PM
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RASMATAZ
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https://www.2carpros.com/forum/automotive_pictures/12900_fo_157.jpg

Firing order 1 5 4 8 6 3 7 2 **REPLACING ALL SPARK PLUGS** Switch off ignition.


https://www.2carpros.com/forum/automotive_pictures/12900_s1_68.jpg

Version 1: (acoustic cover screwed down) Remove seal caps (1) and unfasten nuts (2). Remove acoustic cover.


https://www.2carpros.com/forum/automotive_pictures/12900_s2_60.jpg

Version 2: (acoustic cover with press-stud fastener) Open press-studs (1 ... 4) one at a time, at the same time lifting the acoustic cover slightly. Once all four press-studs have been opened, remove the acoustic cover. Installation Note : Position acoustic cover and press downwards until press-studs (1 ... 4) click into place.


https://www.2carpros.com/forum/automotive_pictures/12900_s3_5.gif

Remove sealing caps, unfasten nuts. Remove cover from ignition coils.


https://www.2carpros.com/forum/automotive_pictures/12900_s4_7.jpg

Unfasten plug connection.


https://www.2carpros.com/forum/automotive_pictures/12900_s5_2.jpg

Unfasten screws on ignition coils. Installation Note : Ground straps of cylinder head cover must be secured on ignition coils for cylinders 3 and 6.


https://www.2carpros.com/forum/automotive_pictures/12900_s6_2.jpg

Unscrew and remove spark plugs with special tool 12 1 171. Installation Note : *Tighten using special tool 12 1 171 and special tool 12 1 200 (torque limiter) *Without special tool 12 1 200, not tightening torque. Tightening torque = 30 - 33 Nm (22 - 24 ft lbs) https://www.2carpros.com/kpages/auto_repair_manuals_alldata.htm
Sep 27, 2010 at 6:50 PM