Hex nut with plate
07 12 9 900 64407129900644·short number 9900644Genuine BMW Part
Photos coming soon — see the BMW diagram below
04 View BMW DiagramSee this part on the official exploded view→What's Included
Sold as part of these kits
This is a genuine BMW hex nut with plate, part number 07 12 9 900 644. The number stamped on the part is 07129900644; BMW's catalog files it under the short number 9900644. You will find it on our Supplies & Hardware shelf, under Group 12. It supersedes the older numbers 9900848 and 9946300, so a part carrying any of them is the same part. BMW has since replaced it with 9904862.
It fits the E46 convertible (323i, 325i, 330i and M3, 2000–2006), with the M52, M54 or S54 engines — and the European-market versions.
BMW draws it on 17 diagrams, among them Hardtop (03_2706) and Rear silencer (18_0191). It weighs about 10 g (under 0.1 lb). It also comes in BMW kit Fastening material (0300970).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
07 12 9 900 644071299006449900644Hardtop
Diagram 03_2706
Rear silencer
Diagram 18_0191
GEARBOX MOUNTING
Diagram 22_0052
TRANSMISSION SUSPENSION
Diagram 22_0089
Gearbox suspension
Diagram 23_0208
Gearbox suspension
Diagram 24_0677
Gearbox suspension
Diagram 24_0685
Gearbox suspension
Diagram 24_0694
Power steering pump
Diagram 32_2019
SINGLE COMPONENTS FOR TRUNK LID
Diagram 41_1316
Bumper rear
Diagram 51_0561
BODY PARTS/FLOOR PANEL/ENGINE COMPARTM.
Diagram 51_2292
BODY PARTS/FLOOR PANEL/ENGINE COMPARTM.
Diagram 51_2428
BODY PARTS/FLOOR PANEL/ENGINE COMPARTM.
Diagram 51_2428
BODY PARTS/FLOOR PANEL/ENGINE COMPARTM.
Diagram 51_3943
Folding top
Diagram 54_0273
Folding top
Diagram 54_0274
Horn
Diagram 61_1621
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Every used part is inspected and graded before listing. Condition grades:
- Good — minimal wear, fully functional.
- Fair — normal wear, fully functional.
- Acceptable — visible wear, still functional.
Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.
Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.