BMW

Z4 E89

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aesthetics
brakes
engine
exhaust
interior
reliability
suspension
MHD Stage 1 ECU Tune
Flash tune providing 30-50hp gains with multiple map options and upgrade paths for N54/N55 engines
engine
aFe Magnum FORCE Stage-2 Cold Air Intake
High-flow cold air intake system providing 27whp and 34 ft-lb gains with 98% airflow increase
engine
Bilstein B12 Pro-Kit Suspension
Complete suspension package with Bilstein B8 dampers and Eibach Pro-Kit springs for 24-40mm lowering
suspension
KW Variant 3 (V3) Coilovers
Premium adjustable coilover system with independent compression and rebound damping adjustment
suspension
Brembo GT 4-Piston Front Big Brake Kit
4-piston front brake upgrade with 365mm rotors providing superior stopping power and heat resistance
brakes
Eisenmann Cat-Back Exhaust System
Hand-built stainless steel exhaust system providing enhanced sound and performance from proven BMW specialist
exhaust
Wind Deflector/Windscreen
OEM or aftermarket wind deflector significantly reducing cabin turbulence during top-down driving
aesthetics
Carbon Fiber Front Lip Spoiler
Aerodynamic enhancement improving front-end aesthetics and providing subtle performance benefits
aesthetics
19-Inch Staggered Wheel Setup
Popular wheel upgrade to 19-inch staggered configuration with performance tires improving handling and aesthetics
aesthetics suspension
Burger Motorsports JB4 Piggyback Tune
Advanced piggyback tuning system with data logging and map switching for significant power gains
engine
Coil Spring Replacement (Reliability)
Essential reliability modification replacing commonly failing rear coil springs to prevent suspension damage
reliability suspension
Short Shifter
Aftermarket short shifter reducing throw length and improving shift feel for manual transmission models
interior
Performance Intercooler Upgrade
Front-mount intercooler providing improved cooling efficiency and supporting higher boost levels
engine reliability
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