BMW M52 / M52TU Long Tube Headers for E36, E46, E39, E38, Z3 & Defender SA
This Flashark long tube header kit is built for selected 1994-2000 BMW and South Africa-only Land Rover Defender applications equipped with M52 or M52TU inline-6 engines. It is designed for enthusiasts who want stronger exhaust scavenging, a more aggressive straight-six sound, and a cleaner-flowing performance exhaust path.
This page is focused on M52 and M52TU 2.0L, 2.5L, and 2.8L applications only. It should not be treated as a universal M54, M50, S52, or E46 325i/330i header listing unless your exact vehicle is included in the fitment section below.
Specifications
| Brand | Flashark |
| Product Type | Long Tube Headers |
| Engine Family | BMW M52 / M52TU DOHC Inline-6 |
| Engine Displacement | 2.0L / 2.5L / 2.8L, based on verified vehicle fitment |
| Material | Stainless Steel |
| Surface Finish | Mirror Polish |
| Use Case | Performance, off-road, track, or custom exhaust applications |
Key Features
- Long tube header design: built to improve exhaust scavenging and high-RPM exhaust flow compared with restrictive factory manifold designs.
- M52/M52TU-focused fitment: supports selected BMW E36, E46, E39, E38, Z3, and South Africa-only Defender applications listed below.
- Polished stainless steel construction: designed for durability, heat resistance, and a clean performance appearance.
- Performance exhaust character: helps bring out a deeper, sharper tone from BMW’s naturally aspirated inline-6 engines.
- Track and custom-build friendly: suitable for off-road, motorsport, and custom exhaust setups where emissions requirements have been considered.
- Gaskets and hardware included: supplied with the components needed to support the header installation process.
Why Long Tube Headers for an M52 or M52TU BMW?
BMW’s M52 and M52TU inline-6 engines respond well to exhaust flow improvements because they are smooth, naturally aspirated engines that reward clean breathing. Factory manifolds are compact and quiet, but they are not built with maximum exhaust scavenging in mind.
A long tube header gives the exhaust pulses a longer and cleaner path out of the cylinder head. Compared with shorty-style designs, long tube headers are usually chosen by drivers who care more about performance character and exhaust tone than keeping the exhaust layout completely stock.
Who Is This Product For?
This product is for BMW and Defender owners who have confirmed their vehicle is one of the M52/M52TU applications listed in the fitment table. It is especially suitable for E36, E39, E38, and Z3 owners building a more performance-focused exhaust system around the 2.0L, 2.5L, or 2.8L inline-6.
- Good choice for E36 320i, 323i, 323ti, and compatible M52-based builds listed below.
- Good choice for E39 520i, 523i, and 528i applications listed in the fitment table.
- Good choice for E38 728i / 728iL M52 and M52TU applications listed below.
- Good choice for Z3 2.0i, 2.3i, and 2.8 applications within the verified fitment range.
- Supports South Africa-only Land Rover Defender M52B28 applications listed in the fitment table.
- Not positioned as the main product for M54 E46 325i, E46 330i, S52, M50, or US-spec E36 M3 applications.
Long Tube Headers vs Factory Manifold
A factory manifold is built to be compact, quiet, and easy to package. A long tube header is built with a different goal: moving exhaust gas out of the engine more efficiently. By giving exhaust pulses a longer, smoother path, long tube headers can help the engine feel more eager and give the car a louder, more performance-focused sound.
For M52 and M52TU engines, this kind of upgrade makes the most sense when the rest of the exhaust system is ready for it. If the car still has a completely stock exhaust, expect to spend time checking the connection point between the headers and the mid-pipe or cat-back section.
Package Includes
- Long tube exhaust headers
- Gaskets
- Installation hardware shown with the product kit
Shipping, Warranty & Customer Support
- Estimated Delivery: Most orders are delivered within 7-9 business days after shipment, depending on warehouse availability and destination.
- 1-Year Warranty: This product is backed by a 1-year warranty against manufacturing defects.
- Returns & Fitment Support: Please confirm your vehicle year, model, engine, and drivetrain before ordering. If you are unsure about fitment, contact customer support before purchase.
- Customer Support: Our support team can help with basic fitment questions, order issues, and warranty-related support.
Fitment & Compatibility
| Brand | Model | Year Range | Full Compatible Specs |
|---|---|---|---|
| BMW | 320i (E36 Chassis) | 1994-1998 | M52B20 2.0L DOHC Inline-6 (I6) Engine |
| BMW | 520i (E39 Chassis) | 1995-1998 | M52B20 2.0L DOHC Inline-6 (I6) Engine |
| BMW | 320i / 320Ci (E46 Chassis) | 1998-2000 | M52TU B20 2.0L TWIN VANOS DOHC Inline-6 (I6) Engine |
| BMW | 520i (E39 Chassis) | 1998-2000 | M52TU B20 2.0L TWIN VANOS DOHC Inline-6 (I6) Engine |
| BMW | Z3 2.0i (E36/7 Chassis) | 1999-2000 | M52TU B20 2.0L TWIN VANOS DOHC Inline-6 (I6) Engine |
| BMW | 323i (E36 Chassis) | 1995-1998 | M52B25 2.5L DOHC Inline-6 (I6) Engine |
| BMW | 323ti (E36/5 Chassis) | 1995-2000 | M52B25 2.5L DOHC Inline-6 (I6) Engine |
| BMW | 523i (E39 Chassis) | 1995-1998 | M52B25 2.5L DOHC Inline-6 (I6) Engine |
| BMW | 523i (E39 Chassis) | 1998-2000 | M52TU B25 2.5L TWIN VANOS DOHC Inline-6 (I6) Engine |
| BMW | Z3 2.3i (E36/7 Chassis) | 1998-2000 | M52TU B25 2.5L TWIN VANOS DOHC Inline-6 (I6) Engine |
| BMW | 528i (E39 Chassis) | 1995-1998 | M52B28 2.8L DOHC Inline-6 (I6) Engine |
| BMW | 728i / 728iL (E38 Chassis) | 1995-1998 | M52B28 2.8L DOHC Inline-6 (I6) Engine |
| BMW | Z3 2.8 (E36/7 Chassis) | 1997-1998 | M52B28 2.8L DOHC Inline-6 (I6) Engine |
| Land Rover | Defender (SA Only) | 1997-2000 | M52B28 2.8L DOHC Inline-6 (I6) Engine |
| BMW | Z3 2.8 (E36/7 Chassis) | 1998-2000 | M52TU B28 2.8L TWIN VANOS DOHC Inline-6 (I6) Engine |
| BMW | 528i (E39 Chassis) | 1998-2000 | M52TU B28 2.8L TWIN VANOS DOHC Inline-6 (I6) Engine |
| BMW | 728i / 728iL (E38 Chassis) | 1998-2000 | M52TU B28 2.8L TWIN VANOS DOHC Inline-6 (I6) Engine |
Before You Buy
- Confirm your vehicle appears in the fitment table above.
- Confirm your engine is M52 or M52TU, not M54, M50, or S52 unless independently verified for your build.
- Confirm your exhaust system can accept a long tube header layout.
- Long tube headers may require mid-pipe, flange, oxygen sensor, or exhaust connection adjustments depending on the vehicle and existing exhaust setup.
- This product is intended for off-road, track, or custom performance use. Check local emissions laws before installation.
Frequently Asked Questions
Q1: What vehicles does this long tube header fit?
A1: This product fits selected 1994-2000 BMW E36, E46, E39, E38, and Z3 applications with M52 or M52TU 2.0L, 2.5L, or 2.8L inline-6 engines. It also fits the South Africa-only Land Rover Defender M52B28 application listed in the fitment table.
Q2: Is this product for M52 and M52TU engines only?
A2: Yes. This page is positioned around M52 and M52TU applications listed in the fitment table. Do not assume fitment for M54, M50, S52, or other BMW inline-6 engines unless your specific vehicle setup has been independently confirmed.
Q3: Will this fit a BMW E36 328i?
A3: This product supports M52B28-based applications listed in the fitment table. If your E36 328i matches the correct year range, chassis, and engine configuration, it may be the correct long tube header option. Always verify against the fitment table before ordering.
Q4: Will this fit BMW E39 528i?
A4: Yes, this product supports selected E39 528i applications with M52B28 or M52TU B28 engines within the verified fitment range listed above.
Q5: Does this fit BMW E38 728i / 728iL?
A5: Yes, selected E38 728i and 728iL models with M52B28 or M52TU B28 engines are included in the verified fitment table.
Q6: Does this fit BMW Z3 2.8?
A6: Yes, selected Z3 2.8 applications with M52B28 or M52TU B28 engines are listed in the fitment table. Confirm the year range and engine before purchasing.
Q7: Does this fit E46 325i or E46 330i?
A7: This page is not the main product page for E46 325i or E46 330i M54 applications. Those vehicles should be checked against the separate short tube header and Y-pipe product page for 1996-2002 E46/E39/Z3 M52/M52TU/M54 applications.
Q8: Is this a long tube or short tube header?
A8: This page is for long tube headers. It should not be confused with the separate short tube header and Y-pipe kit for 1996-2002 BMW E46, E39, and Z3 applications.
Q9: Will this require cutting or welding?
A9: Long tube headers often need more exhaust-side checking than short tube headers. Depending on the exact vehicle, market version, existing mid-pipe, oxygen sensor layout, and previous exhaust modifications, cutting, welding, or flange adjustment may be required. Professional installation is recommended.
Q10: Will these headers trigger a check engine light?
A10: A check engine light is possible if factory emissions equipment, catalytic converter placement, or oxygen sensor readings are changed. ECU tuning or oxygen sensor-related solutions may be needed depending on your build.
Q11: Are these headers legal for street use?
A11: This product is intended for off-road, track, or custom performance use. Emissions laws vary by location. Check your local regulations before installing performance headers that change the factory exhaust or emissions system.
Q12: What sound change should I expect?
A12: Long tube headers usually give the BMW inline-6 a deeper, sharper, and more aggressive exhaust note, especially when paired with a freer-flowing exhaust system.