Keep your BMW 5 Series composed over bumps and through lane changes with the KYB Excel-G Rear Suspension Strut 341704, a nitrogen gas-charged, twin-tube damper designed to help restore the vehicle's original ride control, stability, and handling. It drops in as a rear-position replacement for the 2004-2007 BMW 525I, 2008-2010 BMW 528I, 2004-2007 BMW 530I, 2008-2010 BMW 535I, 2004-2005 BMW 545I, and 2006-2010 BMW 550I.
- OEA (Original Equipment for the Aftermarket): Built on KYB's OE assembly lines with OE-quality components and calibrated to restore designed performance, not change it.
- Vehicle-specific damping: Hand-assembled damping valves are tuned to manage tire contact, steering response, and body movement.
- Strong strut body: Thick strut bodies and brackets minimize flex to help maintain correct alignment.
- Triple-lip fluid seal: Helps reduce the chance of oil and gas leaking out.
KYB recommends installing new strut mounts (part number SM5667) to reduce the chance of noise and vibration. The Excel-G helps keep electronic safety systems performing as the manufacturer intended, since they depend on the suspension, brakes, and tires working together.
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This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the KYB 341704 strut fit?
It fits the 2004-2007 BMW 525I, 2008-2010 BMW 528I, 2004-2007 BMW 530I, 2008-2010 BMW 535I, 2004-2005 BMW 545I, and 2006-2010 BMW 550I. See the Buyer's Guide tab to confirm engine and fitment.
What position is this strut for?
The 341704 is a rear-position suspension strut. Struts install as left/right pairs, so plan accordingly for your application.
What type of damper is the Excel-G?
It is a nitrogen gas-charged, twin-tube design that includes the same quality components found in KYB's global OEM products.
Should I replace the strut mounts too?
KYB recommends installing new strut mounts (part number SM5667) to reduce the chance of noise and vibration during service.
What is OEA?
OEA stands for Original Equipment for the Aftermarket. The Excel-G is made on KYB OE assembly lines and calibrated to restore the vehicle's original designed performance.
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