2020 BMW Z4 Engine Parts

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

2 Conversion / Lower Gasket Set parts are listed for the 2020 BMW Z4, from AJUSA and ELRING.

Part numbers include AJUSA 54302500 and ELRING 113340.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

2 Crankshaft Main Bearing parts for the 2020 BMW Z4 come from KING ENGINE BEARINGS.

Part numbers include KING ENGINE BEARINGS MB7779SM and KING ENGINE BEARINGS MB7779MC.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

6 Crankshaft Seal parts for the 2020 BMW Z4 come from 3 brands — ELRING, AJUSA and VICTOR REINZ. The "Popular" part is ELRING 575970.

Part numbers include ELRING 575970, ELRING 586550 and AJUSA 15075200, among others listed above.

This table covers the bolts that clamp the cylinder head to the block. Read more

3 Cylinder Head Bolt parts are listed for the 2020 BMW Z4, from AJUSA, ELRING and VICTOR REINZ.

This group includes AJUSA 81069200, ELRING 794480 and VICTOR REINZ 141226103.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

6 Cylinder Head Gasket parts are listed for the 2020 BMW Z4, from ELRING, AJUSA and VICTOR REINZ. ELRING 793491 carries the "Popular" badge.

This group includes ELRING 793491, ELRING 739501 and AJUSA 10248900 and the remaining parts above.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

AJUSA supplies both parts for the 2020 BMW Z4.

Part numbers include AJUSA 52561500 and AJUSA 52635900.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

This group shows a single part: KAT'S HEATERS 28400.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

AJUSA supplies both parts for the 2020 BMW Z4.

Part numbers include AJUSA 50515000 and AJUSA 50565600.

This table covers the Harmonic Balancer bolts. Read more

This group shows a single part: REIN HWB0074.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

3 Intake Manifold Gasket parts are listed for the 2020 BMW Z4, from AJUSA, MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: AJUSA 13313000, MAHLE / CLEVITE MS20642 and VICTOR REINZ 711737500.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

9 Motor Mount parts for the 2020 BMW Z4 come from 5 brands — ANCHOR, PIONEER, VNE and 2 other brands. The "Popular" part is ANCHOR 10258.

This group includes ANCHOR 10258, ANCHOR 10259 and DEA / MARMON RIDE CONTROL A70098 and the remaining parts above.

This table covers the Motor Mount kits. Read more

This group shows a single part: ANCHOR 300956.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

7 Oil parts for the 2020 BMW Z4 come from 4 brands — LIQUI MOLY, PENTOSIN, MOBIL and 1 other brand. The "Popular" part is LIQUI MOLY 22044.

Listed part numbers: LIQUI MOLY 22044, LIQUI MOLY 22046 and LIQUI MOLY 22048, plus the other parts above.

This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant. Read more

3 Oil Cooler parts for the 2020 BMW Z4 come from 3 brands — NISSENS, REIN and VEMO.

This group includes NISSENS 91359, REIN ECK0273 and VEMO V20600077.

This table covers the gaskets that seal the Oil Cooler. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

3 Oil Cooler Gasket parts are listed for the 2020 BMW Z4, from AJUSA and ELRING.

This group includes AJUSA 77010300, AJUSA 77010400 and ELRING 784680.

This table covers the drain plugs in the oil pan. Read more

5 Oil Drain Plug parts for the 2020 BMW Z4 come from 4 brands — ELRING, DORMAN, AGS and 1 other brand. The "Popular" part is DORMAN 090088.

This group includes DORMAN 090088, AGS ODP00010 and ELRING 455740 and the remaining parts above.

This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

3 Oil Drain Plug Gasket parts are listed for the 2020 BMW Z4, from AJUSA, ELRING and VICTOR REINZ.

Part numbers include AJUSA 21010400, ELRING 110507 and VICTOR REINZ 417005800.

This table covers the caps on the oil filler neck. Read more

2 Oil Filler Cap parts for the 2020 BMW Z4 come from 2 brands — MOTORAD and VAICO.

This group includes MOTORAD MO214 and VAICO V204688.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

10 Oil Filter parts for the 2020 BMW Z4 come from 10 brands — FVP, PRO-TEC, MOBIL and 7 other brands. The "Popular" part is HENGST E859HD352.

The Economy section lists 2 options from FVP and PRO-TEC — the catalog's value-priced group. FVP G0342 is listed in this group.

The High Performance / Heavy Duty section lists 1 option from MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1C457A is listed in this group.

In the Standard Replacement grade, HENGST, MANN, ACDELCO and 4 other brands supply 7 parts: built to original-equipment specification. A representative part number is HENGST E859HD352.

This table covers the Oil Filter covers. Read more

3 Oil Filter Cover parts are listed for the 2020 BMW Z4, from MOTORAD, REIN and VAICO.

This group includes MOTORAD MO388, REIN CPL0070 and VAICO V202772.

This table covers the Oil Filter housings. Read more

4 Oil Filter Housing parts are listed for the 2020 BMW Z4, from VEMO, DORMAN and HENGST.

Part numbers include DORMAN 926453, HENGST H811H and VEMO V20601662, among others listed above.

This table covers the seals at the Oil Filter Housing. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

This group shows a single part: ELRING 784620.

This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

2 Oil Level Sensor Gasket / O-Ring parts for the 2020 BMW Z4 come from ELRING.

This group includes ELRING 351210 and ELRING 078500.

This table covers the oil pans that hold the engine's oil sump. Read more

One part is listed for the 2020 BMW Z4 — REIN ESK0247.

This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: VICTOR REINZ 703141410.

This table covers the chains that drive the oil pump. Read more

One part is listed for the 2020 BMW Z4 — VAICO V203921.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

2 Timing Chain & Component Kit parts for the 2020 BMW Z4 come from VAICO.

This group includes VAICO V2010026BEK and VAICO V2010026.

This table covers the turbochargers that compress intake air. Read more

2 Turbocharger parts for the 2020 BMW Z4 come from BORG-WARNER.

Listed part numbers: BORG-WARNER 18559880116 and BORG-WARNER 18559880117.

This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

One part is listed for the 2020 BMW Z4 — WELLS 5S14741.

This table covers the Turbocharger Coolant lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

2 Turbocharger Coolant Line parts for the 2020 BMW Z4 come from REIN.

This group includes REIN CHT0972 and REIN CHT0971.

This table covers the gaskets that seal the Turbocharger. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

4 Turbocharger Gasket parts are listed for the 2020 BMW Z4, from AJUSA and ELRING.

Part numbers include AJUSA JTC12513, AJUSA JTC12750 and ELRING 113510, among others listed above.

This table covers the gaskets that seal the Turbocharger Inlet Hose. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: ELRING 113670.

This table covers the fasteners that mount the turbocharger. Read more

One part is listed for the 2020 BMW Z4 — ELRING 113440.

This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

3 Turbocharger Oil Line parts for the 2020 BMW Z4 come from 2 brands — REIN and AJUSA.

This group includes AJUSA OP11237, REIN TFP0393 and REIN TRP0391.

This table covers the Turbocharger Oil Line Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: AJUSA 16007800.

This table covers the Valve covers. Read more

3 Valve Cover parts are listed for the 2020 BMW Z4, from SKP, ÜRO PARTS and VAICO.

Part numbers include SKP SK743462, ÜRO PARTS 11128691779 and VAICO V204929.

This table covers the Valve Cover Bolt screws. Typical signs include a rounded head, a seeping bleeder, or a fastener that will not hold torque. Do not force a new screw into a stripped hole — repair the thread first. Read more

One part is listed for the 2020 BMW Z4 — ÜRO PARTS 11129454322.

This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

3 Valve Cover Gasket parts for the 2020 BMW Z4 come from 3 brands — AJUSA, ELRING and VICTOR REINZ.

Part numbers include AJUSA 56080600, ELRING 091010 and VICTOR REINZ 151120501.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

This group shows a single part: AJUSA 85022300.

This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

6 Valve Stem Seal parts for the 2020 BMW Z4 come from 4 brands — ELRING, VICTOR REINZ, AJUSA and 1 other brand. The "Popular" part is ELRING 364500.

This group includes ELRING 364500, ELRING 660360 and AJUSA 57051500 and the remaining parts above.

This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

7 Variable Valve Timing (VVT) Solenoid / Actuator parts for the 2020 BMW Z4 come from 6 brands — WELLS, GATES, WALKER PRODUCTS and 3 other brands. The "Popular" part is GATES VVS229.

The Economy section: 6 options from WELLS, GATES, WALKER PRODUCTS and 2 other brands. GATES VVS229 is listed in this group.

Standard Replacement: 1 part, from VAICO. A representative part number is VAICO V203797.

Part numbers include GATES VVS229, WALKER PRODUCTS 5901282 and HOLSTEIN 2VTS0370, among others listed above.

This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2020 BMW Z4 — AJUSA 01907000.