Ready to K-swap your BMW Z3? Our K-Series swap kit is designed to make installing a Honda K-Series engine into your Z3 as straightforward as possible.
Fits LHD BMW Z3 models.
Honda K-Series engines are known for making great power on stock internals, making them a great match for the BMW Z3 chassis.
This kit is designed to use the stock BMW Z3 subframe, stock K-Series steel oil pan, and stock driveshaft.
This Swap Package Includes
- 625inc Z3 Laser-Cut Engine Mount Brackets
- Revshift Z3 Engine/Transmission Mounts
- Upper and Lower Coolant Hard Lines
- 625inc Wiring Conversion Harness
- 625inc Coil Pack Cover
- 625inc Subframe Spacers
- Subframe Bolts
- 625inc Pulley Spacer
- Idler Pulley
- Water Pump/Alternator Belt
- 625inc Power Wire Kit
- 625inc Ground Wire Kit
- K-Series to ZF Transmission Adapter Plate
- K-Series to ZF Flywheel
- 6-Puck Unsprung Clutch
- Sachs Motorsports Pressure Plate
Compatible Engines
We recommend the K24A2 from the 2004–2008 Acura TSX or the equivalent JDM K24A engine with an RBB cylinder head.
The kit works with:
- K20A2
- K20A3
- K20Z3
- K24A2
- K24A3
- K24A4
- JDM K24A
Important K20 Note: If you are using a K20 engine, you will need to tap one hole in the block on the starter side.
Compatible Gearboxes
S5D-250G / S5D250 5-Speed
- BMW E36 M50/M52 — 320i, 323i, 325i, 323ti, 325is
- BMW E34 M50 — 520i, 525i
- BMW E39 M52/M54 — 520i, 523i, 525i
- BMW E46 M52/M54/M56 — 320i, 323i, 325i
- BMW Z3 — 2.0, 2.2i, 2.5
S5D-310 / ZF 310 / ZF310 / S5-31 5-Speed
- BMW E34 525i USA
S5D-320 / ZF 320 / ZF320 / S5-32 5-Speed
- BMW E36 — 328i, M3 3.2, M3, 323i
- BMW E38 — 728i
- BMW E39 — 528i, 530i, 523i, 525i
- BMW E46 — 328i, 330i
- BMW Z3 — 2.8, 3.0, M 3.2, S54
BMW E36 M3 6-Speed — GETRAG 420 TBAB
Important: The included flywheel does not fit the BMW M54 6-speed gearbox.
Shipping Time
Please allow approximately 2–3 weeks for this kit to ship.
Important
FOR OFF-ROAD USE ONLY.
*CAR NOT INCLUDED*



