# Group 52 Seat Service Bulletins

#### Bulletin number

#### Title

#### Description

#### Date of issue

52 01 83 (720) | Limiting Front seat movement | E30's have a stop on seat rails stopping rearward movement 50mm before maximum adjustment. Remove stop for tall drivers. | April 1983
51 01 85 (1069) | Whitish discoloration of backrest rear panel | Remove with windshield washer concentrate P/N 82 14 9 400 270 | July 1985
52 01 86 (1235) | Care of leather upholstery | Discusses KARNEOL P/N 81 22 9 400 901 as the best leather conditioner / cleaner available | August 1986
52 04 87 (1551) | Pivot pins for seat cushions | Install new pivot pins P/N 52 10 919 478 whenever they are removed | May 1988
52 03 88 (1587) | Upholstery fastening clips ( hog rings) | Hog ring P/N 52 10 1 945 543, Tool P/N 88 88 6 520 050 | June 1988
52 01 89 (1788) | Repair or replacement of front seat | Replacement seat parts may differ in appearance to original parts due to part standardization. New rails on seats prior to 9/85 require different nuts, P/N 52 10 8 100 424 | January 1989
52 01 91 (3410) | Repair of leather seat covers, iC | Split back seat covers from ultra violet radiation and improper maintenance can be fixed cheaper by a local upholstery shop than by replacing cover. | November 1991

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