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				BMW 5 Series (E28) 
			Service Manual: 1982, 1983, 1984, 1985, 1986, 1987, 1988 
 
					
					Price: $124.95
				 
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Table m. Valve specifications 
  
| Specification | 1982 - 1987 528e | 1988 528e and all 325i | 1983 - 1988 533i, 535i | 
| Valve head diameter (a) intake exhaust  | 
     40 mm (1.575 in.) 34 mm(1.339 in.)  | 
     42 mm (1.654 in.) 36 mm(1.417 in.)  | 
     46 mm (1.811 in.) 38 mm(1.496 in.)  | 
| Minimum valve head thickness (b) intake exhaust  | 
     1.3 mm (0.051 in.) 2.0 mm(0.079 in.)  | 
     1.3 mm (0.051 in.) 2.0 mm(0.079 in.)  | 
     1.3 mm (0.051 in.) 2.0 mm(0.079 in.)  | 
| Valve face angle (c) | 45° | 45° | 45° | 
| Valve stem diameter (d) standard oversize 1 oversize 2  | 
     7.0 mm (0.275 in.) 7.1 mm (0.279 in.) 7.2 mm (0.283 in.)  | 
     7.0 mm (0.275 in.) 7.1 mm (0.279 in.) 7.2 mm (0.283 in.)  | 
     8.0 mm (0.315 in.) 8.1 mm (0.319 in.) 8.2 mm (0.323 in.)  | 
Engine?Reconditioning
page 13
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