| 12 04 84 (863) |
Improved secondary ignition components |
Introduction of silicone cables |
August 1984 |
| 12 05 84 (879) |
Alternator Ground Strap |
Can break, now secured to alternator with bolt rather than
nut. Increased eyelet diameter, 5mm to 6mm |
November 1984 |
| 12 07 84 (906) |
Engine misfire |
States to check and replace spark plugs on a regular basis to
prevent misfire from lean fuel mixture and bad plugs |
January 1985 |
| 12 09 84 (942) |
Vehicle will not start 325e |
Check for bad 50 amp fusible link, 6 inches from battery |
January 1985 |
| 12 02 85 (1071) |
Silicone Ignition coil caps |
Replace as part of 86 Engine Campaign |
|
| 12 03 85 (1085) |
Spark plug application chart for BMW vehicles |
Contains a copy of spark plug application chart |
April 1990 |
| 12 01 86 (1144) |
Cold starting 325e produced before 10/85 |
Incorrect position of cable on battery junction block |
February 1986 |
| 12 02 86 (1188) |
Alternator mounting bolt, 325e 12/85 - 2/86 |
Lower pivot bolt head must be under 4mm or contact with
alternator belt can occur, does not apply to rubber bushing mounted alternators. |
March 1986 |
| 12 03 86 (1206) |
Secondary ignition component upgrade, 318i to 10/83 |
Replace wire set with silicone set as per 86 Engine Campaign |
|
| 12 04 86 (1241) |
Starter Cable 325 |
Starter cable may rub against brake booster, reposition |
September 1986 |
| 12 05 86 (1251) |
Wire connections to coil |
Possible short from terminal 15 to coil cover |
August 1986 |
| 12 02 87 (1447) |
S14 transport plugs |
Replace spark plugs with Bosch X5DC on delivery |
August 1987 |
| 12 03 87 (1450) |
Distributor rotor, M3 prior to 5/87 production |
Misfire caused by bad ignition rotor. |
August 1987 |
| 12 04 87( 1453) |
M1.1 Motronic Control units, 325i and iC from 3/87 production |
Information on labeling of DME control units |
August 1987 |
| 12 01 88 (1574) |
Moisture in O2 connector, E30 M20 Sep to Nov 87 |
Incorrect sealing of G103, O2 connector near right shock
tower, no heat shrink, seal with silicone |
February 1988 |
| 12 02 88 (1584) |
Ground strap from alternator to block, M3 to Dec 87 production |
Replace brown ground strap with red strap, part number 12 52 1
312 124 |
February 1988 |
| 12 05 88 (1638) |
Ignition coil replacement |
Replace coil if DME is replaced for output stage failure |
May 1988 |
| 12 07 88 (1678) |
Motronic M1.1 Circuit suppression |
Insert diode harness to pin 12 C101 |
January 1990 |
| 12 09 88 (1719) |
Power train system repair notification |
Request for diagnostic printouts of relevant repairs |
May 1989 |
| 12 03 89 (1838) |
High pressure engine steam cleaning |
Don't do it, electrical connectors can't cope. |
March 1989 |
| 12 05 89 (1862) |
Moisture in C191 Multi-plug, M20 |
As a result of high pressure washing, moisture gets into
engine harness connector under manifold, replace harness on pre 5/88, remove and dry
others. |
June 1989 |
| 12 06 89 (1878) |
DME M1.3 sensitivity E30 from 6/88 to 5/89 |
Remove pin 18 from diagnostic connector - no longer valid, do not perform this procedure |
May 1989 |
| 12 02 90 (3115) |
Modified distributor cap and rotor M3 |
New style distributor cap and rotor from 12/88 on, do not mix
components, must be paired. |
November 1990 |
| 12 01 91 (3202) |
Engine test, ignition timing angle readout M3 |
Unable to record timing from C152. Incorrectly wired, cut wires and
install in correct positions in a new connector |
May 1991 |
| 12 04 93 (3848) |
Alternator overcharging |
Check engine light for over voltage, replace voltage regulator |
September 1993 |
