This Kit provides you with everything you need to professional service your xDrive equipped N20 or N26 timing chain system. It incudes the revised sprockets with a laser etching to ensure they do not slip like the original sprockets were prone to do. This is made up using mostly Genuine Parts and OEM quality Elring and Corteco Seals and Gaskets.

Kit Includes:

– Timing Chain Guide Rail Lower
– Timing Tensioner Guide Rail Upper
– Timing Chain Tensioner
– Oil Pan Gasket (Elring)
– Valve Cover Gasket Kit (Elring)
– Crankshaft Seal Front (Elring)
– (2) Engine Timing Cover Plugs With Gasket Ring
– Engine Timing Cover Plug With Gasket Ring Small
– Crankshaft Pulley Hub Bolt
– (2) Differential Side Cover O-Rings
– (2) Axle Shaft Seals (Corteco)
– (2) Axle Bolts with Compression Spring
– (8) Drive Shaft Bolts
– Oil Pump Sprocket Bolt 30×10
– Valve Cover Cam Shaft Seal (Elring)
– Valvetronic Actuator Seal (Elring)
– (2) High Pressure Fuel Pump Mounting Bolt M6x25
– Crankshaft Timing Chain Sprocket Revised
– Oil Pump Drive Chain Assembly Revised (Iwis Ketten)
– Timing Chain Crank to Cams (Iwis Ketten)

All parts are Genuine BMW unless noted otherwise

Part #’s

Timing Chain Guide Rail Lower

11-31-7-592-877 / 11 31 7 592 877 / 11317592877

Timing Tensioner Guide Rail (Upper)

11-31-7-592-850 / 11 31 7 592 850 / 11317592850

11-31-7-516-079 / 11 31 7 516 079 / 11317516079

11-31-7-584-651 / 11 31 7 584 651 / 11317584651

Timing Chain Tensioner

11-31-8-685-091 / 11 31 8 685 091 / 11318685091

11-31-7-567-680 / 11 31 7 567 680 / 11317567680

11-31-1-439-851 / 11 31 1 439 851 / 11311439851

Oil Pan Gasket

11-13-7-627-511 / 11 13 7 627 511 / 11137627511

Valve Cover Gasket Kit

11-12-7-588-418 / 11 12 7 588 418 / 11127588418

Crankshaft Seal Front

11-11-8-618-864 / 11 11 8 618 864 / 11118618864

Engine Timing Cover Plug With Gasket Ring

11-11-7-558-632 / 11 11 7 558 632 / 11117558632

11-11-7-518-625 / 11 11 7 518 625 / 11117518625

07-11-9-919-252 / 07 11 9 919 252 / 07119919252

Engine Timing Cover Plug With Gasket Ring (Small)

11-31-7-502-048 / 11 31 7 502 048 / 11317502048

Crankshaft Pulley Hub Bolt

11-21-7-614-270 / 11 21 7 614 270 / 11217614270

Differential Side Cover O-Ring

31-51-1-213-527 / 31 51 1 213 527 / 31511213527

31-51-1-212-387 / 31 51 1 212 387 / 31511212387

Axle Shaft Seal

31-50-8-743-675 / 31 50 8 743 675 / 31508743675

33-10-7-505-601 / 33 10 7 505 601 / 33107505601

31-53-7-500-180 / 31 53 7 500 180 / 31537500180

31-53-7-502-680 / 31 53 7 502 680 / 31537502680

Axle Bolt with Compression Spring

31-20-6-795-249 / 31 20 6 795 249 / 31206795249

31-20-6-789-774 / 31 20 6 789 774 / 31206789774

Drive Shaft Bolt

26-11-7-529-387 / 26 11 7 529 387 / 26117529387

Oil Pump Sprocket Bolt (30×10)

11-27-7-619-309 / 11 27 7 619 309 / 11277619309

Valve Cover Cam Shaft Seal

11-12-7-507-217 / 11 12 7 507 217 / 11127507217

Valvetronic Actuator Seal

11-37-7-502-022 / 11 37 7 502 022 / 11377502022

High Pressure Fuel Pump Mounting Bolt (M6x25)

13-51-7-632-572 / 13 51 7 632 572 / 13517632572

Crankshaft Timing Chain Sprocket (Revised)

11-31-7-603-944 / 11 31 7 603 944 / 11317603944

Oil Pump Drive Chain Assembly (Revised)

11-41-7-605-366 / 11 41 7 605 366 / 11417605366

Timing Chain (Crank to Cams)

11-31-8-648-732 / 11 31 8 648 732 / 11318648732

11-31-7-516-074 / 11 31 7 516 074 / 11317516074

11-31-7-584-084 / 11 31 7 584 084 / 11317584084