Timing Chain Pre-Tensioning Tool for BMW B48TU – as 2455654

This special tool is designed for pre-tensioning the timing chain when setting valve timing on BMW B48TU engines.

Due to the updated design of the B48TU engine series, a modified chain tensioner system is used. This tool is required to correctly apply the specified pre-tension to the timing chain during engine repair or timing chain replacement.

Older tool versions are not suitable for use on B48TU engines.

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Operating Principle

The tool features a spring-loaded internal piston that applies controlled pressure to the tensioning rail according to manufacturer specifications.

This ensures that the timing chain is tensioned correctly, allowing precise adjustment of valve timing.

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Important Usage Instructions

• The tool must not be fully tightened to the stop
• It should only be screwed in until the internal piston is flush with the outer edge of the tool
• Incorrect positioning will lead to improper timing adjustment:
  • Over-tension (piston protruding)
  • Under-tension (piston recessed)

Both conditions result in incorrect engine timing.

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Key Features

• Designed specifically for updated B48TU engine generation
• Ensures accurate timing chain pre-tension
• Spring-loaded piston for controlled force application
• Prevents timing errors during engine assembly
• Essential tool for professional engine repair

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Compatibility

Suitable for BMW engines:

• B42, B46, B48TU

Engine codes:

• B42S20A
• B46A20B, B46B20B
• B48A20A, B48A20B, B48A20C, B48A20E, B48A20F
• B48B16A, B48B20A, B48B20B
• GC1, JA1

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Reference Numbers

• as 2455654

 

These OEM numbers are for reference purposes only and do not imply that the tool is an original product.

BMW 1 Series (F20) (07.2011 - 06.2019) 120i (184 hp, 135 kW)

BMW 1 Series (F20) (07.2011 - 06.2019) 125i (224 hp, 165 kW)

BMW 1 Series (F21) (12.2011 - 12.2019) 120i (184 hp, 135 kW)

BMW 1 Series (F21) (12.2011 - 12.2019) 125i (224 hp, 165 kW)

BMW 1 Series (F40) (07.2019 - ) 120i (178 hp, 131 kW)

BMW 1 Series (F40) (07.2019 - ) 128ti (245 HP, 180 kW)

BMW 1 (F40) (07.2019 - ) 128 ti (265 hp, 195 kW)

BMW 1 (F40) (07.2019 - ) M 135 i xDrive (306 hp, 225 kW)

BMW 1 (F52) (01.2017 - ) 120 i (192 hp, 141 kW)

BMW 1 Van (F20) (03.2015 - 06.2019) 120 i (184 HP, 135 kW)

BMW 2 Active Tourer (F45) (11.2013 - 02.2018) 220 i (163 hp, 120 kW)

BMW 2 Active Tourer (F45) (11.2013 - 02.2018) 220 i (178 HP, 131 kW)

BMW 2 Active Tourer (F45) (11.2013 - 02.2018) 220 i (192 hp, 141 kW)

BMW 2 Active Tourer (F45) (11.2013 - 02.2018) 220 i Flex (192 HP, 141 kW)

BMW 2 Active Tourer (F45) (11.2013 - 02.2018) 225 i (231 hp, 170 kW)

BMW 2 Active Tourer (F45) (11.2013 - 02.2018) 225 i xDrive (231 HP, 170 kW)

BMW 2 Cabriolet (F23) (03.2014 - 07.2016) 220 i (184 HP, 135 kW)

BMW 2 Cabriolet (F23) (03.2014 - 07.2016) 225 i (184 HP, 135 kW)

BMW 2 Cabriolet (F23) (03.2014 - 07.2016) 230 i (252 HP, 185 kW)

BMW 2 Cabriolet (F23) (03.2014 - 07.2016) 230 i xDrive (252 HP, 185 kW)

BMW 2 Coupe (F22, F87) (10.2012 - 06.2018) 220 i (184 HP, 135 kW)

BMW 2 Coupe (F22, F87) (10.2012 - 06.2018) 225 i (184 HP, 135 kW)

BMW 2 Coupe (F22, F87) (10.2012 - 06.2018) 230 i (252 HP, 185 kW)

BMW 2 Coupe (F22, F87) (10.2012 - 06.2018) 230 i xDrive (252 HP, 185 kW)

BMW 2 Gran Coupe (F44) (11.2019 - ) 220 i (178 hp, 131 kW)

BMW 2 Gran Coupe (F44) (11.2019 - ) 220 i (192 HP, 141 kW)

BMW 2 Gran Coupe (F44) (11.2019 - ) M 235 i xDrive (306 hp, 225 kW)

BMW 2 Gran Tourer (F46) (07.2014 - 02.2018) 220 i (163 hp, 120 kW)

BMW 2 Gran Tourer (F46) (07.2014 - 02.2018) 220 i (178 hp, 131 kW)

BMW 2 Gran Tourer (F46) (07.2014 - 02.2018) 220 i (192 hp, 141 kW)

BMW 3 (F30, F80) (04.2011 - 10.2018) 320 i (184 HP, 135 kW)

BMW 3 (F30, F80) (04.2011 - 10.2018) 320 i xDrive (184 hp, 135 kW)

BMW 3 (F30, F80) (04.2011 - 10.2018) 330 e (184 HP, 135 kW)

BMW 3 (F30, F80) (04.2011 - 10.2018) 330 e (252 HP, 185 kW)

BMW 3 (F30, F80) (04.2011 - 10.2018) 330 i (252 HP, 185 kW)

BMW 3 (F30, F80) (04.2011 - 10.2018) 330 i xDrive (252 HP, 185 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 318 i (156 hp, 115 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 320 e plug-in hybrid (163 hp, 120 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 320 e plug-in hybrid (204 hp, 150 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 320 i (184 HP, 135 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 320 i 1.6 (170 HP, 125 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 320 i xDrive (184 HP, 135 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 330 e plug-in hybrid (184 hp, 135 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 330 e plug-in hybrid (252 hp, 185 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 330 e plug-in hybrid (292 hp, 215 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 330 e plug-in hybrid xDrive (184 hp, 135 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 330 e plug-in hybrid xDrive (292 hp, 215 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 330 i (258 hp, 190 kW)

BMW 3 (G20, G80) (11.2018 - 02.2020) 330 i xDrive (258 HP, 190 kW)

BMW 3 Gran Turismo (F34) (11.2012 - 02.2018) 320 i (163 HP, 120 kW)

BMW 3 Gran Turismo (F34) (11.2012 - 02.2018) 320 i (184 hp, 135 kW)

BMW 3 Gran Turismo (F34) (11.2012 - 02.2018) 320 i xDrive (163 HP, 120 kW)

BMW 3 Gran Turismo (F34) (11.2012 - 02.2018) 320 i xDrive (184 HP, 135 kW)

BMW 3 Gran Turismo (F34) (11.2012 - 02.2018) 330 i (252 HP, 185 kW)

BMW 3 Gran Turismo (F34) (11.2012 - 02.2018) 330 i xDrive (249 hp, 183 kW)

BMW 3 Gran Turismo (F34) (11.2012 - 02.2018) 330 i xDrive (252 HP, 185 kW)

BMW 3 Touring (F31) (07.2012 - 06.2019) 320 i (184 hp, 135 kW)

BMW 3 Touring (F31) (07.2012 - 06.2019) 320 i xDrive (184 HP, 135 kW)

BMW 3 Touring (F31) (07.2012 - 06.2019) 330 i (252 HP, 185 kW)

BMW 3 Touring (F31) (07.2012 - 06.2019) 330 i xDrive (252 hp, 185 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 318 i (156 HP, 115 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 320 e plug-in hybrid (163 hp, 120 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 320 e plug-in hybrid (204 hp, 150 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 320 i (184 HP, 135 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 330 e plug-in hybrid (184 hp, 135 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 330 e plug-in hybrid (292 hp, 215 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 330 e plug-in hybrid xDrive (184 HP, 135 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 330 e plug-in hybrid xDrive (292 HP, 215 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 330 i (258 HP, 190 kW)

BMW 3 Touring (G21, G81) (07.2019 - 02.2020) 330 i xDrive (258 HP, 190 kW)

BMW 3 Touring Van (F31) (07.2012 - 06.2019) 330 i (252 HP, 185 kW)

BMW 3 Touring Van (G21) (07.2019 - 02.2020) 320 i (184 hp, 135 kW)

BMW 3 Touring Van (G21) (07.2019 - 02.2020) 330 i (258 HP, 190 kW)

BMW 4 Cabriolet (F33, F83) (10.2013 - 12.2018) 420 i (163 HP, 120 kW)

BMW 4 Cabriolet (F33, F83) (10.2013 - 12.2018) 420 i (184 HP, 135 kW)

BMW 4 Cabriolet (F33, F83) (10.2013 - 12.2018) 425 i (184 HP, 135 kW)

BMW 4 Cabriolet (F33, F83) (10.2013 - 12.2018) 430 i (252 HP, 185 kW)

BMW 4 Cabriolet (F33, F83) (10.2013 - 12.2018) 430 i xDrive (252 HP, 185 kW)

BMW 4 Cabriolet (G23) (11.2020 - ) 420 i (184 HP, 135 kW)

BMW 4 Cabriolet (G23) (11.2020 - ) 430 i (258 HP, 190 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 420 i (163 HP, 120 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 420 i (184 hp, 135 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 420 i xDrive (163 HP, 120 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 420 i xDrive (184 HP, 135 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 425 i (184 HP, 135 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 430 i (249 HP, 183 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 430 i (252 hp, 185 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 430 i xDrive (249 HP, 183 kW)

BMW 4 Coupe (F32, F82) (07.2013 - 06.2019) 430 i xDrive (252 HP, 185 kW)

BMW 4 Coupe (G22, G82) (07.2020 - ) 420 i (184 HP, 135 kW)

BMW 4 Coupe (G22, G82) (07.2020 - ) 420 i 1.6 (170 hp, 125 kW)

BMW 4 Coupe (G22, G82) (07.2020 - ) 430 i (258 HP, 190 kW)

BMW 4 Gran Coupe (F36) (03.2014 - 02.2018) 420 i (163 hp, 120 kW)

BMW 4 Gran Coupe (F36) (03.2014 - 02.2018) 420 i (184 hp, 135 kW)

BMW 4 Gran Coupe (F36) (03.2014 - 02.2018) 420 i xDrive (163 HP, 120 kW)

BMW 4 Gran Coupe (F36) (03.2014 - 02.2018) 420 i xDrive (184 HP, 135 kW)

BMW 4 Gran Coupe (F36) (03.2014 - 02.2018) 425 i (184 HP, 135 kW)

BMW 4 Gran Coupe (F36) (03.2014 - 02.2018) 430 i (252 hp, 185 kW)

BMW 4 Gran Coupe (F36) (03.2014 - 02.2018) 430 i xDrive (249 hp, 183 kW)

BMW 4 Gran Coupe (F36) (03.2014 - 02.2018) 430 i xDrive (252 HP, 185 kW)

BMW 5 (E60) (12.2001 - 03.2010) 550 i (355 hp, 261 kW)

BMW 5 (E60) (12.2001 - 03.2010) 550 i (367 hp, 270 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 520 i (163 HP, 120 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 520 i (170 hp, 125 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 520 i (184 HP, 135 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 520 i (211 HP, 155 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 520 i mild hybrid (163 hp, 120 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 520 i mild hybrid (184 hp, 135 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid (163 hp, 120 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid (184 hp, 135 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid (231 hp, 170 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid (252 hp, 185 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid (272 hp, 200 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid (292 hp, 215 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid xDrive (163 hp, 120 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid xDrive (184 hp, 135 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid xDrive (231 hp, 170 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid xDrive (252 hp, 185 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid xDrive (272 HP, 200 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 e plug-in hybrid xDrive (292 hp, 215 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 i (252 HP, 185 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 i mild hybrid (252 hp, 185 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 i mild hybrid xDrive (252 hp, 185 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 i xDrive (249 hp, 183 kW)

BMW 5 (G30, F90) (09.2016 - 06.2021) 530 i xDrive (252 HP, 185 kW)

BMW 5 Touring (E61) (03.2004 - 12.2010) 550 i (367 hp, 270 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 520 i (163 hp, 120 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 520 i (184 HP, 135 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 520 i (211 hp, 155 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 520 i mild hybrid (163 hp, 120 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 520 i mild hybrid (184 hp, 135 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 e plug-in hybrid (163 hp, 120 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 e plug-in hybrid (184 hp, 135 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 e plug-in hybrid (272 hp, 200 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 e plug-in hybrid (292 hp, 215 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 e plug-in hybrid xDrive (163 hp, 120 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 e plug-in hybrid xDrive (184 hp, 135 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 e plug-in hybrid xDrive (272 hp, 200 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 e Plug-in hybrid xDrive (292 hp, 215 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 i (252 HP, 185 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 i mild hybrid (252 hp, 185 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 i mild hybrid xDrive (252 hp, 185 kW)

BMW 5 Touring (G31) (03.2017 - 06.2020) 530 i xDrive (252 HP, 185 kW)

BMW 5 Touring Van (G31) (03.2017 - ) 520 i (184 hp, 135 kW)

BMW 5 Touring Van (G31) (03.2017 - ) 530 i (252 HP, 185 kW)

BMW 5 Touring Van (G31) (03.2017 - ) 530 i xDrive (252 HP, 185 kW)

BMW 6 (E63) (09.2003 - 12.2010) 650 Ci (355 HP, 261 kW)

BMW 6 (E63) (09.2003 - 12.2010) 650 i (355 hp, 261 kW)

BMW 6 (E63) (09.2003 - 12.2010) 650 i (364 HP, 268 kW)

BMW 6 (E63) (09.2003 - 12.2010) 650 i (367 hp, 270 kW)

BMW 6 Cabriolet (E64) (04.2004 - 12.2010) 650 i (355 hp, 261 kW)

BMW 6 Cabriolet (E64) (04.2004 - 12.2010) 650 i (364 hp, 268 kW)

BMW 6 Cabriolet (E64) (04.2004 - 12.2010) 650 i (367 hp, 270 kW)

BMW 6 Gran Turismo (G32) (06.2017 - 06.2021) 630 i (249 hp, 183 kW)

BMW 6 Gran Turismo (G32) (06.2017 - 06.2021) 630 i (258 HP, 190 kW)

BMW 6 Gran Turismo (G32) (06.2017 - 06.2021) 630 i mild hybrid (258 hp, 190 kW)

BMW 7 (E65, E66, E67) (07.2001 - 12.2009) 750 i (359 hp, 264 kW)

BMW 7 (E65, E66, E67) (07.2001 - 12.2009) 750 i (364 HP, 268 kW)

BMW 7 (E65, E66, E67) (07.2001 - 12.2009) 750 i, LH (367 hp, 270 kW)

BMW 7 Series (G11, G12) (07.2015 - 06.2020) 730i (249 hp, 183 kW)

BMW 7 Series (G11, G12) (07.2015 - 06.2020) 730i, Li (258 hp, 190 kW)

BMW 7 Series (G11, G12) (07.2015 - 06.2020) 730i, Li (265 hp, 195 kW)

BMW 7 Series (G11, G12) (07.2015 - 06.2020) 740Le xDrive (258 hp, 190 kW)

BMW 7 Series (G11, G12) (07.2015 - 06.2020) 740 Le xDrive (326 hp, 240 kW)

BMW 7 (G11, G12) (07.2015 - 06.2020) 740 e, Le (258 HP, 190 kW)

BMW 7 (G11, G12) (07.2015 - 06.2020) 740 e, Le (326 HP, 240 kW)

BMW X1 (F48) (11.2014 - 02.2018) sDrive 20 i (178 hp, 131 kW)

BMW X1 (F48) (11.2014 - 02.2018) sDrive 20 i (192 hp, 141 kW)

BMW X1 (F48) (11.2014 - 02.2018) sDrive 20 i ActiveFlex (192 hp, 141 kW)

BMW X1 (F48) (11.2014 - 02.2018) xDrive 20 i (178 hp, 131 kW)

BMW X1 (F48) (11.2014 - 02.2018) xDrive 20 i (192 hp, 141 kW)

BMW X1 (F48) (11.2014 - 02.2018) xDrive 25 i (231 hp, 170 kW)

BMW X1 (F48) (11.2014 - 02.2018) xDrive 25 i ActiveFlex (231 HP, 170 kW)

BMW X1 Van (F48) (07.2015 - ) sDrive 20 i (192 HP, 141 kW)

BMW X2 (F39) (11.2017 - 10.2020) M35 i (306 HP, 225 kW)

BMW X2 (F39) (11.2017 - 10.2020) sDrive 20 i (178 HP, 131 kW)

BMW X2 (F39) (11.2017 - 10.2020) sDrive 20 i (192 HP, 141 kW)

BMW X2 (F39) (11.2017 - 10.2020) xDrive 20 i (178 HP, 131 kW)

BMW X2 (F39) (11.2017 - 10.2020) xDrive 20 i (192 HP, 141 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) sDrive 20 i (184 HP, 135 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) sDrive 20 i 1.6 (170 HP, 125 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) xDrive 20 i (184 HP, 135 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) xDrive 30 e plug-in hybrid (163 hp, 120 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) xDrive 30 e Plug-in hybrid (184 hp, 135 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) xDrive 30 e plug-in hybrid (231 hp, 170 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) xDrive 30 e plug-in hybrid (252 hp, 185 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) xDrive 30 i (249 HP, 183 kW)

BMW X3 (G01, F97) (08.2017 - 06.2020) xDrive 30 i (252 HP, 185 kW)

BMW X3 Van (G01) (08.2017 - 08.2019) xDrive 20 i (184 hp, 135 kW)

BMW X3 Van (G01) (08.2017 - 08.2019) xDrive 30 i (252 HP, 185 kW)

BMW X4 (G02, F98) (04.2018 - 06.2020) xDrive 20 i (184 HP, 135 kW)

BMW X4 (G02, F98) (04.2018 - 06.2020) xDrive 30 i (249 hp, 183 kW)

BMW X4 (G02, F98) (04.2018 - 06.2020) xDrive 30 i (252 HP, 185 kW)

BMW X5 (E53) (01.2000 - 12.2006) 4.8 is (360 HP, 265 kW)

BMW X5 (E70) (10.2006 - 07.2013) 4.8 i xDrive (355 hp, 261 kW)

BMW X5 (E70) (10.2006 - 07.2013) xDrive 48 i (355 hp, 261 kW)

BMW X5 (G05, F95) (08.2018 - 07.2020) xDrive 30 i (265 HP, 195 kW)

BMW X6 (G06, F96) (08.2019 - 07.2020) xDrive 30 i (265 HP, 195 kW)

BMW Z4 Roadster (G29) (11.2018 - ) sDrive 20 i (163 hp, 120 kW)

BMW Z4 Roadster (G29) (11.2018 - ) sDrive 20 i (197 hp, 145 kW)

BMW Z4 Roadster (G29) (11.2018 - ) sDrive 30 i (258 hp, 190 kW)