Precision Engineered
Supertech Inconel Exhaust Valve Set (6 pcs) for BMW M20B25 – 37 mm (+1 mm Oversize)
298,95 €
Available to order — estimated delivery: 3–5 weeks
Not held in stock at Ge-Tech Engineering. This item is ordered from our supplier after you place your order. Delivery may vary depending on supplier availability and customs clearance.
Questions about delivery times? Contact us and we will gladly help.
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Description
Set of six Supertech BMEVI-1085 Inconel exhaust valves for the BMW M20 B25 2.5L 12V engine. Each valve has a 37 mm head (+1 mm oversize over the standard 36 mm), a 6.95 mm stem and a 102.50 mm overall length, with a dished face and a triple-groove keeper configuration. One set covers all six exhaust valves of the M20B25.
Technical specifications
| Manufacturer | Supertech |
|---|---|
| Part number | BMEVI-1085 (set of 6) |
| Quantity | 6 valves |
| Vehicle make | BMW |
| Engine | M20 B25 2.5L 12V |
| Model series | E30 / E34 — 325 / 525 |
| Supplier-listed model years | 1977–1992; confirm exact engine fitment |
| Valve type | Exhaust |
| Material | Inconel |
| Valve face | Dish |
| Head diameter | 37 mm (+1 mm oversize) |
| Stem diameter | 6.95 mm |
| Overall length | 102.50 mm |
| Keeper grooves | Triple groove (3 grooves) |
Fitment
For BMW M20 B25 2.5L 12V applications. The 37 mm head is 1 mm oversize compared with the standard exhaust valve, so the valve seats must suit the larger head diameter. Confirm your engine code, valve dimensions and compatibility with the valve guides, seats and keepers before ordering; model year alone does not establish compatibility.
Recommended accessories
Valve keepers: KPR-VW7-T (3 grooves).
Manufacturing & Inconel material
Supertech valves start from a forging, are precision CNC-machined, heat-treated, ground and finished with the brand's Stem Superfinish. Inconel is a nickel-based alloy that keeps its strength at high exhaust temperatures and resists corrosion, which is why it is commonly chosen for high-output and forced-induction engine builds.
Image for illustration: the photograph shows an assortment of Supertech valves, not the contents of the supplied set.
