Exhaust BMW X4

The BMW X4 exhaust systems mainly consist of stainless steel sport aftermarket systems designed to enhance sound, performance, and aesthetics. For the F26 generation (2014-2018), popular types include silencers with multiple chrome-plated outlets. For the G02/F98 M performance models (2020+), factory OEM M Sport variable valve exhausts and slip-on titanium options are available.

Exhaust systems are typically designed for compatibility with various BMW X4 engines including petrol 2.0L sDrive20i, diesel 20d and 30d xDrive variants, as well as M40i and M Competition versions. It is important to check product-specific compatibility to ensure a perfect fit for your engine model and generation.

Aftermarket exhaust systems for the BMW X4 offer a sporty, aggressive sound with improved volume and tone quality compared to stock systems. Many feature valvetronic or variable valves allowing sound control, enabling a louder, sportier exhaust note during dynamic driving and a quieter sound for daily use.

• Sporty and aggressive sound tone
• Improved exhaust flow and throttle response
• Valvetronic control for adjustable volume

This results in an enhanced driving experience without undesirable drone at low RPMs.

BMW X4 exhaust systems are commonly constructed from stainless steel INOX 409, known for its high durability and resistance to corrosion. Some high-performance models include titanium slip-on exhausts, which reduce weight and improve heat resistance but are less common in standard aftermarket kits.

• Stainless steel for longevity and resistance
• High-quality components engineered for durability
• Material choice designed to improve exhaust flow and sound

The use of stainless steel also supports compliance with emission and noise regulations.

Many exhaust systems are designed to be compatible with the BMW X4's Diesel Particulate Filter (DPF) and catalytic converters. It is important to confirm that the exhaust system maintains compliance with local regulations, such as TÜV/ECE homologation, to avoid legal and environmental issues.

• DPF compatible exhaust options available
• Recommended to choose systems with certification
• Professional installation advised for legal compliance

Always verify product details and consult experts to ensure compliance.

Upgrading the exhaust can potentially increase engine power output and improve throttle response by optimizing exhaust flow. Performance-focused systems, especially those used in M Competition models or with valved exhausts, offer gains such as:

• Power increase of several kilowatts depending on setup
• Reduced exhaust backpressure
• Lighter components reducing overall vehicle weight
• Improved sound delivery enhancing driver engagement

Exact gains depend on the model and installation specifics.

Exhaust components such as catalytic converters and Diesel Particulate Filters offered by Krosfou come with a 3-year warranty, valid up to 100,000 kilometers. This warranty covers manufacturing defects under normal usage conditions and excludes refurbished or reconditioned parts (which are not offered).

Products are manufactured in Europe with tested high-grade materials to ensure durability and long-lasting performance.

• 3 years or 100,000 km warranty
• Full compliance with European standards
• High-quality manufacturing guarantees

Contact the dealer for warranty registration and terms details.

Yes, some exhaust systems for the BMW X4, especially the M Sport factory options and certain aftermarket valved exhausts, include valves controlled electronically. These valves allow switching between quieter normal mode and louder, sportier sound settings suitable for spirited driving.

• Electro-valve controlled sound adjustment
• Selectable modes such as SPORT and SPORT+
• Some systems feature remote or app-based control

This feature adds a premium driving experience by adapting exhaust sound to driving conditions and personal preferences.

Professional installation and compatible control modules are required.