BMW part number 11 52 7 830 486 (11527830486) is the Fan coupling (92CEL) – E39 M5, a cooling part catalogued for the E39 (M5), E52 (ALPINA V8, Z8). As of our last check (2026-10-08, bmwpartsdeal.com), it is still available new from BMW. 1 repair guide 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 E39 and E52 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 spot a failed viscous fan clutch (temperature climbing in traffic, a hot fan that stops easily) and swap it: shock the 32 mm left-hand-thread nut loose with a hammer on the wrench, then move the blade over with its three Allen screws. Also peeks inside the old clutch at its fill hole.
Tools mentioned: 32 mm box wrench, hammer, Allen keys
Listed $314.57 on bmwpartsdeal.
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