BMW E39 M5 Headers S62 / M62 / M60 Stainless Steel Performance Exhaust Manifolds for 540i 740i Z8

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• Engine Fitment: Designed for BMW V8 platforms including M60 (4.0L), M62 (4.4L), and S62 (5.0L).
• Vehicle Applications: Compatible with E38 740i/iL (1995–1998), E39 540i (1997–1998), E39 M5 (2000–2003), and E52 Z8 (2000–2003).
• Construction: Manufactured from high-grade stainless steel for strength, corrosion resistance, and long service life.
• Performance Gains: Improves exhaust flow for increased horsepower, a more aggressive exhaust note, and reduced engine strain.
• Installation: Direct bolt-on design for straightforward fitment; typical install time is approximately 2–3 hours.
• E39 M5 (S62): Optimizes exhaust flow and, when paired with proper tuning, can deliver gains of 40+ horsepower.
• E39 540i / E38 740i (M62): Replaces heavy, restrictive factory manifolds to improve throttle response and overall engine efficiency.

🛠️ Frequently Asked Questions

1. Will I actually see a 40+ HP gain on an E39 M5 without a tune?

While the headers significantly improve exhaust flow by replacing the restrictive factory "log" manifolds, reaching the 40+ HP mark usually requires a DME (ECU) tune. Without a tune, the engine will breathe better, but the computer won't fully optimize fuel and timing to capitalize on the increased flow.

2. Do these headers require a 'Stage 2' tune to avoid a Check Engine Light (CEL)?

Yes. Since these performance headers often relocate or eliminate the primary catalytic converters (especially on later M62TU and S62 models), you will likely trigger a CEL for "catalytic converter efficiency.

3. How does this affect low-end torque?

High-flow headers can sometimes cause a slight loss in low-end torque in exchange for massive top-end gains. However, high-quality stainless steel headers with proper runner diameters are designed to maintain exhaust velocity and minimize this "trade-off.

4. Is it really a 2–3 hour 'direct bolt-on' install?

Realistically, for most DIYers and even many shops, this is a 6–10 hour job. The V8 engine bay is extremely tight. Common hurdles include:

• Seized Studs: On 20-year-old cars, exhaust studs frequently snap.

• Clearance: You may need to slightly lift the engine or remove the steering shaft/engine mounts to maneuver the headers into place.

• Access: Reaching the upper manifold nuts requires specialized "wobble" extensions and thin-wall sockets.

5.Will these fit my Right-Hand Drive (RHD) BMW?

Most "universal" V8 headers are designed for Left-Hand Drive (LHD) cars. If you have an RHD model, the steering column often interferes with the header runners on the driver’s side, requiring specific RHD-clearance versions.

6. What gaskets and hardware should I buy with these?

Never reuse old gaskets. It is highly recommended to buy:

• OEM Elring Gaskets: Specifically for the S62 or M62.

• New Copper-Plated Nuts: These resist seizing better than standard steel.

• New Exhaust Studs: In case the originals are damaged during removal.