The BMW Hub

BMW E46 M3 VANOS explained — how the S54 double VANOS works, the common failure points (exhaust hub tabs, seals, solenoids, rattle), symptoms, diagnosis, repair options and how to prevent problems.

BMW E46 M3 rod bearings explained — why S54 rod-bearing wear happens, the symptoms to look for, BMW's historical service actions, how to check bearing condition, when to replace them, cost and what...

We tested 15mm and 20mm H&R wheel spacers on the BMW G09 XM. Here is the best setup for most owners, the aggressive option, why 20mm is the TÜV-approved limit and what you need to order.

MHC+, SooQoo, Adro, Maxton Design, Genuine BMW M Performance and Akrapovič compared for the G90 M5 and G99 M5 Touring – splitters, side skirts, diffusers, spoilers, bonnets and more, with UK, US an...

We fitted the majority of the SooQoo gloss carbon fibre range to a BMW G45 X3 M50. Here's every part in the kit, how it installs and how much it transforms the new X3.

KW's dedicated V4 coilover kit for the BMW G99 M5 Touring explained — three-way adjustable damping (low-speed compression, high-speed compression and rebound), 10–30 mm lowering, EDC cancellation, ...

KW V1, V2, V3, V4 and V5 coilovers explained in plain English — plus KW Clubsport, H.A.S., DDC and EDC delete. Compare the adjustment, understand compression and rebound, and find the right KW susp...

A complete guide to the BMW G09 XM — the XM 50e and 748 hp XM Label explained, B58 vs S68 engines, the M HYBRID system, why it has no air suspension, weights, dimensions, UK pricing and what the G0...

BR, DS, RM, ER, ZR, ZX, V1 and HM compared for BMW. What separates the eight BC Racing coilover series, how low each kit sits, how stiff they are against standard BMW suspension, and which one actu...

Who are ST Trackparts, the Netherlands-based BMW track-parts brand behind the M4 GT4 brake cooling kit and a fast-growing aero range? Here's who they are, what they make across E30–G8X, and how to ...

A complete guide to BMW's 2NH M Compound braking system – what it is, which models it fits, how it compares to standard F87 M2 brakes, retrofit advice and where to buy genuine BMW and aftermarket r...

Compare the best BMW exhaust brands by price, sound & value. Find the right system for your build with expert insight from R44 Performance.

Explore Remus exhaust systems for the BMW G90 & G99 M5. Compare axle-back vs racing systems, pricing, sound, legality & tailpipe options.

Thinking of buying a BMW X3M or X4M? Learn ownership costs, MPG, tyres, servicing, depreciation and practicality for the F97 X3M and F98 X4M.

Ownership Reality, Common Problems & Smart Upgrade Paths

BMW X3M & X4M suspension guide. Learn how springs, adjustable suspension kits and coilovers can improve handling and reduce harshness on F97 & F98 models.

Scorpion launches a new exhaust system range for the BMW F70 M135 xDrive including GPF-back, GPF delete pipe and tunnel brace. Full specs and pricing.