Photos shown for illustration; shade and shape may differ slightly.
Koyorad Auxiliary Aluminium Radiators 48 mm (set of 2) - BMW M340i G20 and Z4 M40i G29 (2019+)
Supplier stock
Set of two auxiliary aluminium radiators for BMW M340i G20 and Z4 M40i G29, in place of the ones fitted from the factory. They do not replace the main radiator, they work alongside it.
Specifications
| Type | auxiliary cooling radiators, set of two |
| Fits | BMW M340i G20 3.0 (2019+) |
| Fits | BMW Z4 M40i G29 3.0 (2019+) |
| Engine codes | B58B30C |
| Core size | 175x247x48 mm (each) |
| Material | aluminium |
| Construction | TIG welded, made in Japan |
| Part number | KH423660P |
| In the set | 2 pieces |
| Replaces OEM part number | 16400WAA04, 17118672237 |
Before you order
- These are the auxiliary radiators, not the main one
- The set holds two pieces
- Fits with no modification, on the standard mounts