Suspension & Brakes
E30 5 lug conversion: A Builder’s Guide to Hubs, Brakes, and Fitment
E30 5 lug conversion guide for BMW builders: compare hubs, brakes, wheels, offsets, costs, and fitment checks ...
E30 coilovers: A Builder's Guide to Fitment, Setup, and Ride Quality
E30 coilovers buying guide: compare fitment, spring rates, damping, ride height, and street-track setups befor...
Modified SUV off-road suspension and tire build recommendations for a durable trail rig
Modified SUV off-road suspension and tire build recommendations covering lift height, tire size, alignment, bu...
Rotiform wheels fitment guide for European cars: Measure First, Mount Once
Rotiform wheels fitment guide for European cars: check bolt pattern, offset, center bore, tire clearance, and ...
what do wheel spacers do? A Builder's Guide to Fitment and Safety
Learn what do wheel spacers do, how they affect fitment, and what to inspect before installation for safer, mo...
Corner-balanced my own car on borrowed scales for the first time – before/after lap times at Road Atlanta, plus what the cross-weight numbers taught me about my driving.
I finally did it – I corner-balanced my track car on a set of borrowed Longacre scales, and the results at Roa...
Cheap coilovers vs. revalved Bilstein B8s on the same E46 330i – 8,000 street miles and two HPDE weekends later, here's what each one actually delivered.
Two years ago, I threw a set of $650 "ebay special" coilovers on my E46 330i because I wanted low and stiff. T...