Unless the center caps came with your BBS RG003’s, the details for what center cap parts you need is hard to find. So here it is: 09.23.134 (metal outer ring) 09.23.133 (Outer plastic ring) 09.23.132 (Inner plastic ring) 09.23.131 (Hex nut) 09.24.036 (Emblem) However any 3 prong 70mm front/ 56mm rear will work  
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  Ever wanted an apples to apples showdown between various E30 fitment 1980’s aftermarket wheels? That is exactly what Auto Motor und Sport did in 1988 with 11 wheels: ATS 7058, BBS Cast (RZ320), BBS Forged (RG003), OEM BMW 15″ Euroweaves (Alumetall), D&W (Silver-line and Turbo-line), Fondmetal 2300 HB, King 2715.26, MSW 1968 D, OZ racing...
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Most powdercoating establishments, including rim repair ‘professionals’ powdercoat and then bake rims between 300F and 400F for around 15-20 minutes. What if I told you that baking aluminum alloy wheels at 300-400f will weaken them permanently? Aluminum is annealed when new, which for the laymen means they heat up the metal and let is...
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So you’re trying to get Techstream going, but you keep getting errors; let me help you solve all of them in one place.   Toyota Techstream 0xC0040001 Error – This error is due to a firmware limitation, there are generally two firmware versions of the J2534 connector. Version 1.4.1 and Version 2.0.4. To access...
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The P0172 check engine code is an interesting code because it identifies that the engine is running rich, but doesn’t otherwise specify the root cause. First thing to check and clean when such a code occurs is the mass air flow sensor. Generally it is the first sensor to become fowled, and the contamination...
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The cowcatcher airdam was only sold on IS and ES models in 87. The ‘is’ got a 4 slot model and the ‘es’ got a 2 slot model; behind the airdam was an oil cooler. IS airdam: ES airdam: The problem is that the brackets for this airdam are long NLA (no longer available)...
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Most results when searching topics about sway bars involve high level extrapolations about understeer, oversteer, body roll and preferences; all important but it doesn’t help to understand how sway bars actually work. Hopefully I can simplify it enough where it starts to make intuitive sense. The primary principle behind a sway bar is to...
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For automotive uses, we are generally concerned with Class A, B and C fires.   Dry Powder: Without a doubt, the cheapest fire extinguisher type is dry powder. These fire extinguishers use mono-ammonium phosphate, sodium bicarbonate or potassium bicarbonate (Purple K). Apart from making a mess, the problem with them is that they are...
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Crash Testing: Body Structures: Front and Rear suspension systems: Standard equipment and order-able options:   Aerodynamics and weight:   Emissions, Alternator and Headlights:   Dimensions and overall vehicle detail:     Engine Materials: Heating, Ventilation and AC:   MISC:
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