BMW part number 11 52 7 831 619 (11527831619) is the Fan coupling (cooling system fan fan coupling), a cooling part catalogued for the E34 (530i, 535i, M5 Touring), E32 (730i, 730iL, 735i), E46 (M3, M3 CSL), E36/7 (Z3 M3.2). As of our last check (2026-10-08, bmwpartsdeal.com), it is still available new from BMW. 2 repair guides below.
Listed as orderable new at bmwpartsdeal.com when checked.
No sourced aftermarket equivalent recorded yet. We only list brand numbers that a brand catalog or vendor page explicitly cross-references to this BMW number.
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No interchange recorded. That doesn't prove there isn't one; it means we have no sourced match yet.
Listed directly for E34 and E32 and E46 and E36/7 in our data (see Fits). Models below are other listings of the same number.
No forum workaround recorded yet. If you know a thread, the hunt team wants to hear about it.
No kit or reman service recorded yet.
No DIY route recorded yet.
Write-ups and videos from owners, forums and specialists on removing and fitting this part. Summaries are ours; follow the link for the full steps, photos and torque values, and credit goes to the original author.
How to get the belt-driven fan and viscous clutch off an E46 six (left-hand thread 32 mm nut), either by shock-loading the wrench against belt friction or with a pulley holder, and how to refit it without over-tightening.
Tools mentioned: 32 mm open wrench, water pump pulley holder, heavy hammer
Covers both the electric fan and the belt-driven viscous fan on the E46: the clutch hex is reverse threaded (turn clockwise to undo), the shroud comes out together with the fan, then the clutch is unbolted from the blade.
Tools mentioned: 32 mm fan wrench, water pump counter-hold tool, T25 Torx, sockets
Listed $314.57 on bmwpartsdeal.
Live eBay listings are coming soon. Until then, search eBay directly for this number with the links below.