Will Beisan Systems double VANOS seal kit (6-cylinder) fit a BMW 3 Series (E46, 1999-2006)?
Added · Updated
Short answer: Yes, reportedly Reported
Verdict:Fits Reported confidence (2 of 3) · 1 source
Yes, reportedly: Yes for E46 six-cylinders with double VANOS.
| Part | Beisan Systems double VANOS seal kit (6-cylinder) |
|---|---|
| Vehicle | BMW 3 Series (E46, 1999-2006) |
| Years | 1999-2006 |
| Trim / condition | non-M six-cylinder (M52TU, M54, M56); not the M3's S54 |
| Verdict | Fits Reported to fit |
| Confidence | Reported 2 of 3 — Stated by one reasonably reputable source (retailer, shop, magazine). Not independently confirmed. |
| Last verified | 2026-10-26 (date the cited sources were last read) |
Details
Yes for E46 six-cylinders with double VANOS. The kit maker's E46/E39 procedure covers the M52TU, M54 and M56 engines and replaces the factory seals with Teflon seals on Viton O-rings. BMW does not sell the seals separately, per the maker.
Specs
- contents: Teflon seals with Viton O-rings
- engines: M52TU, M54, M56
Related known issues
Related build entries
More for this car
- All BMW 3 Series (E46, 1999-2006) fitment answers · E46 common problems
- Newsletter archive: past issues with every new and corrected entry
Sources
- 6-cylinder Double Vanos Procedure (E46, E39) — Beisan Systems (VANOS seal kit maker) (vendor article; read 2026-10-26; full page read)
Summaries are in our own words. Fitment is not guaranteed — disclaimer.
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