Upgrade Your BMW 4 Series with Performance Parts
Browse a range of aftermarket parts for the BMW 4 Series at Regal Autosport. Whether you're building together a fast road car or a dedicated track-day setup, you'll find quality upgrades designed to sharpen handling, improve stability, and lift the driving experience. UK and worldwide delivery available.
1035 Products
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Maxton Design BM-4-G23-CA-FD1GMaxton Front Splitter BMW 4 Coupe / Cabrio G22 / G23
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Maxton Design BM-4-G23-CA-SD1GMaxton Side Skirts Diffusers BMW 4 Coupe / Cabrio G22 / G23
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Maxton Design BM-4-G23-CA-RSD1GMaxton Rear Side Splitters BMW 4 Coupe / Cabrio G22 / G23
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Maxton Design BM-4-G23-CA-RD1GMaxton Central Rear Splitter BMW 4 Coupe / Cabrio G22 / G23
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Maxton Design BM4G22MPACKCNC-RS2BMaxton Street PRO Rear Diffuser BMW 4 M-Pack / M440i G22 / G23
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Maxton Design BM4G22MPACKCNC-RSD2BMaxton Street Pro Rear Side Splitters BMW M440i G22 / G23
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Maxton Design BM4G22MPACKCNC-RSD2B+RSF2GMaxton Street Pro Rear Side Splitters + Flaps BMW M440i G22 / G23
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Maxton Design BM4G22MPACKCNC-RSF2GMaxton Rear Side Flaps BMW M440i G22 / G23
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Maxton Design BM-M4-G83-CA-CAP3D1GMaxton Spoiler CAP 3D BMW M4 Cabrio G83 / 4 Cabrio G23
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Maxton Design BM-4-G26-MPACK-GC-RS1GOO_OOMaxton Rear Valance BMW M440i Gran Coupe G26
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Maxton Design BM-4-G26-MPACK-GC-RSD6GMaxton Rear Side Splitters V.4 BMW M440i / 4 M-Pack Gran Coupe G26
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Maxton Design BM-4-G26-MPACK-GC-RSD5GMaxton Rear Side Splitters V.3 BMW M440i / 4 M-Pack Gran Coupe G26
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Maxton Design CF-BM-4-G82-M-WING5-INT-245-P+LEDMaxton Carbon Spoiler With Internal Brackets Uprights + LED BMW M4 G82 / G82 Facelift / M440i / 4 M-Pack G22 / G22 Facelift
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Maxton Design CF-BM-4-G82-M-WING5-EXT-245-P+LEDMaxton Carbon Spoiler With External Brackets Uprights + LED BMW M4 G82 / G82 Facelift / M440i / 4 M-Pack G22 / G22 Facelift
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Maxton Design BM-4-F36-GC-MPACK-RSD1GMaxton Rear Side Splitters V.1 BMW 4 Gran Coupe M-Pack F36
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Maxton Design BM4G26MPACKGCCNC-RS2BMaxton Street PRO Rear Diffuser BMW 4 Gran Coupe M440i G26
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Maxton Design BM4G26MPACKGCCNC-RSD2BMaxton Street Pro Rear Side Splitters BMW 4 Gran Coupe M440i G26
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Maxton Design BM-4-G26-MPACK-GC-RSD4GMaxton Rear Side Splitters V.2 BMW M440i Gran Coupe G26
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Maxton Design BM-4-G26-MPACK-GC-RD2GMaxton Central Rear Splitter BMW M440i Gran Coupe G26
About the BMW 4 Series
The BMW 4 Series has built a strong following among enthusiasts over the years. It’s known for its solid engineering, distinctive design, and strong real-world performance. Whether you're carrying out worn components or adding upgrades than using high quality parts can help to keep your BMW 4 Series performing the way it should.
BMW 4 Series Parts & Accessories
From replacement components to enthusiast-focused upgrades, maintaining your BMW 4 Series with quality parts can help preserve reliability and driving confidence. These performance parts can be used for both routine maintenance and performance upgrades which helps to keep the vehicle running reliably over time.