Zimmermann 300mm Brake Disc Set (2 pcs) 150.1278.20
Part No. 150.1278.20
Check this part fits your car
Select your vehicle and we will confirm it against the 2 variants listed for this part.
$316.00
incl. GST
Rear axle
300 x 20 mm
Fits 2 vehicle variants
This part is out of stock and we cannot confirm when it will be back. Ask us about this part and we will reply with what we know.
Returned items must be unused and in the original unopened packaging. Return postage is paid by the buyer.
Technical specification
Disc typeExternally vented
Iron gradeHigh-carbon cast iron
Surface finishCorrosion-protective coating
Outside diameter300 mm
Thickness when new20 mm
Height61 mm
Stud holes5
Stud circle (PCD)120 mm
Centre bore75 mm
ApprovalECE R90 approved
Minimum (discard) thickness18.4 mm
Part weight6 kg
Hole pattern7/5
OE & OEM cross-reference
Supplier part number
150.1278.20
Fits OE / OEM numbers
3421 1 159 659
3421 1 165 264
3421 1 165 265
3421 2 226 730
Vehicle fitment
2 variants
| Make & model | Chassis | Variant | Years | Power |
|---|---|---|---|---|
| BMW 5 Series | E34 | M5 | 1988–1992 | 232 kW |
| BMW 5 Series | E34 | 540 i V8 | 1992–1995 | 210 kW |
Product overview
Zimmermann 150.1278.20 is a pair of externally vented brake discs (rotors). Each disc is 300 mm in diameter and 20 mm thick when new, with a 61 mm hat height. The minimum (discard) thickness is 18.4 mm. Each disc has 5 stud holes on a 120 mm stud circle (PCD), with a 75 mm centre bore. The discs are coated for corrosion protection and made from high-carbon cast iron. They are ECE R90 approved, the European type-approval standard for replacement brake parts. Cross-referenced to BMW OE 3421 1 159 659 and 3 other OE numbers. Confirmed to fit 2 Australian-market variants; the full list is in the fitment table on this page.
