BMW Part Number: 12129062594
Other Part Numbers: 12121258159, 12121265595, 12121267485, 12121288234, 12121711296, 12121258158, 12121276283
Bosch Part Number: 0241235740
Trade Number: W7DC 

Brand: Bosch Made in Russia
Warranty: 24 months
Internet:  http://www.bosch-automotive.com

Criteria
Quantity Unit Set
Electrode Gap: 0.7 mm
Tightening Torque: 28 Nm
Tightening degree: 90 °
Outer Thread: 14 mm
Thread Pitch: 1.25 mm
Thread Length: 19 mm
Spanner size: 20.8
Spark Position: 3 mm
Number of Poles: 1 terminal

How To Tell It Needs Replacement
Fouled spark plugs will cause your engine to run rough, misfire and increase fuel consumption therefore decreasing fuel economy significantly. The spark plug should be checked and or replaced regularly ensuring your BMW engine is operating at it's maximum potential. These plugs are engineered in Germany and made in Russia by BOSCH, a BMW OEM supplier. 

For the following vehicles
Vehicle Model year kW HP cc Design
2500-3.3 (E3) 2500
Engine Code: M30 B25
More information 10.1968 - 04.1977 110 150 2494 Sedan
2500-3.3 (E3) 2800
Engine Code: M30B28
More information 10.1968 - 07.1975 125 170 2788 Sedan
2500-3.3 (E3) 2.8 L
Engine Code: M30 B28
More information 02.1975 - 04.1977 125 170 2788 Sedan
2500-3.3 (E3) 3.0 S
Engine Code: M30 B30
More information 05.1971 - 04.1977 132 180 2985 Sedan
2500-3.3 (E3) 3.0 L
Engine Code: M30 B30
More information 02.1975 - 04.1977 132 180 2985 Sedan
2500-3.3 (E3) 3.0 Si
Engine Code: M30 B30
More information 10.1975 - 04.1977 143 194 2985 Sedan
2500-3.3 (E3) 3.0 Si
Engine Code: M30 B30
More information 07.1971 - 09.1975 147 200 2985 Sedan
2500-3.3 (E3) 3.2 Li
Engine Code: M30 B32
More information 10.1975 - 04.1977 147 200 3210 Sedan
2500-3.3 (E3) 3.3 L
Engine Code: M30 B33
More information 01.1974 - 09.1976 140 190 3295 Sedan
02 (E10) 1602
Engine Code: M10 B16
More information 04.1971 - 07.1975 63 85 1573 Sedan
02 (E10) 1600/2
Engine Code: M10B16
More information 12.1967 - 12.1971 63 85 1573 Sedan
02 (E10) 1600 Ti
Engine Code: M10B16
More information 09.1967 - 11.1969 77 105 1573 Sedan
02 (E10) 1802
Engine Code: M10 B18
More information 05.1971 - 07.1975 66 90 1766 Sedan
02 (E10) 2002
Engine Code: M10 B20
More information 02.1968 - 07.1975 74 100 1990 Sedan
02 (E10) 2002 Ti
Engine Code: M10 B20
More information 06.1968 - 04.1972 88 120 1990 Sedan
02 (E10) 2002 Tii
Engine Code: M10 B20
More information 04.1971 - 06.1975 96 130 1990 Sedan
02 (E10) 2002 Turbo
Engine Code: M10B20
More information 01.1974 - 07.1975 125 170 1990 Sedan
02 Touring (E6) 1600
Engine Code: M10 B16
More information 05.1971 - 04.1973 63 85 1573 Wagon
02 Touring (E6) 1802
Engine Code: M10 B18
More information 05.1971 - 07.1975 66 90 1766 Wagon
02 Touring (E6) 2002
Engine Code: M10 B20
More information 05.1971 - 07.1975 74 100 1990 Wagon
02 Touring (E6) 2002 Tii
Engine Code: M10 B20
More information 01.1971 - 07.1975 96 130 1990 Wagon
02 Convertible (E10) 1600-2
Engine Code: M10B16
More information 12.1967 - 10.1971 63 86 1573 Convertible
02 Convertible (E10) 2002
Engine Code: M10 B20
More information 05.1971 - 07.1975 74 100 1990 Convertible
5 (E12) 518
Engine Code: M10B18+
More information 07.1974 - 05.1981 66 90 1766 Sedan
5 (E12) 520
Engine Code: M10B20
More information 06.1972 - 01.1979 85 115 1990 Sedan
5 (E12) 520 i
Engine Code: M10B20
More information 03.1972 - 07.1979 92 125 1990 Sedan
5 (E12) 520 i
Engine Code: M10B20, M10B20 inj.
More information 08.1972 - 10.1975 96 131 1990 Sedan
5 (E12) 525
Engine Code: M30B25
More information 10.1973 - 08.1976 107 145 2494 Sedan
5 (E12) 525
Engine Code: M30B25
More information 08.1975 - 06.1981 110 150 2494 Sedan
5 (E12) 528
Engine Code: M30B28
More information 01.1975 - 08.1976 121 165 2788 Sedan
5 (E12) 528
Engine Code: M30B28
More information 08.1975 - 07.1977 125 170 2788 Sedan
1500-2000 (115, 116, 118, 121) 1500
Engine Code: M10 B15
More information 10.1962 - 07.1966 59 80 1499 Sedan
1500-2000 (115, 116, 118, 121) 1500
Engine Code: M10 B16
More information 09.1963 - 07.1966 59 80 1573 Sedan
1500-2000 (115, 116, 118, 121) 1600
Engine Code: M10B16
More information 04.1964 - 04.1968 61 83 1573 Sedan
1500-2000 (115, 116, 118, 121) 1800
Engine Code: M10 B18
More information 07.1969 - 09.1971 66 90 1766 Sedan
1500-2000 (115, 116, 118, 121) 1800
Engine Code: M18 B18
More information 08.1963 - 09.1969 66 90 1773 Sedan
1500-2000 (115, 116, 118, 121) 2000
Engine Code: M10B18
More information 01.1970 - 11.1972 66 90 1766 Sedan
1500-2000 (115, 116, 118, 121) 2000
Engine Code: M10 B20
More information 09.1968 - 07.1972 74 100 1990 Sedan
1500-2000 (115, 116, 118, 121) 2000 Ti / Tilux
Engine Code: M10 B20
More information 01.1966 - 07.1972 88 120 1990 Sedan
1500-2000 (115, 116, 118, 121) 2000 Tii
Engine Code: M10 B20
More information 12.1969 - 07.1972 96 131 1990 Sedan
1600 GT Coupe 1.6
Engine Code: M10B16
More information 10.1967 - 05.1969 77 105 1573 Coupe
2000-3.2 Coupe (E9) 2000 C/CA
Engine Code: M10B20
More information 10.1965 - 06.1970 74 101 1990 Coupe
2000-3.2 Coupe (E9) 2000 CS
Engine Code: M10B20
More information 10.1965 - 06.1970 88 120 1990 Coupe
2000-3.2 Coupe (E9) 2.5 CS
Engine Code: M30B25
More information 09.1974 - 03.1976 110 150 2494 Coupe
2000-3.2 Coupe (E9) 2800 CS
Engine Code: M30 B28
More information 01.1969 - 04.1971 125 170 2788 Coupe
2000-3.2 Coupe (E9) 3.0 CS
Engine Code: M30 B30
More information 05.1971 - 03.1976 132 180 2985 Coupe
2000-3.2 Coupe (E9) 3.0 CSi
Engine Code: M30 B30
More information 07.1971 - 03.1976 147 200 2985 Coupe
2000-3.2 Coupe (E9) 3.0 CSL
Engine Code: M30 B32
More information 01.1974 - 11.1975 152 206 3153 Coupe

About The Manufacturer
The world's largest supplier of premium automotive parts, Robert Bosch GmbH is headquartered in Gerlingen, Germany, and consists of more than 350 subsidiaries across 60 countries. Bosch products are officially sold in excess of 150 countries worldwide, supported by an employee group of some 303,000.