# Group 18 Exhaust Service Bulletins

#### Bulletin number

#### Title

#### Description

#### Date of issue

18 02 84 (878) | 318i Broken hanger at rear muffler | New part number 18 21 1 707 807 | December 1984
18 01 86 (1137) | Rear mufflers and tail pipes, paint part numbers | Black 51 91 1 907 970 Silver 51 91 1 907 971 | January 1986
18 01 88 (1562) | Recall Campaign 88E-A01 318i 1/83 - 8/84 | Replace catalytic converter to comply with CA standards | June 1988
18 02 88 (1771) | Chromed Exhaust Pipe Tip | Warns of potential contact of tip to persons leg. Instructs to press tip on so no more than 8mm extends beyond the end of the tail pipe | December 1988
18 01 93 (3846) | Hydrogen sulfide odor from exhaust system | Rotten egg smell - recommend different brand of fuel. | August 1993

E30 M3 Repair Manual V2.7. Copyright ©1999-2001 Koala Motorsport & Brett Anderson