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Power Steering Line From Reservoir to Pump compatibility between early and late E30 M20

April 29, 2020

If you have an early E30 (pre 10/87) your power steering line from the reservoir to the pump probably looks like this: The hose is held to the banjo by a worm style hose clamp: Post 10/87 has a banjo permanently crimped to the hose: If you check the ETK, there is no mention...
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Relocating E30 Central locking to fix moisture problems once and for all

April 12, 2020
Relocating E30 Central locking to fix moisture problems once and for all

A few years ago I wrote about common problems with the E30 central locking and how to fix them. Two of most common E30 Central locking/Power locking issues and how to fix them Well, its time to revisit the topic, because I have figured out the once and for all solution. You see, even...
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BBS RG 003 Center Cap Part Numbers

December 30, 2019
BBS RG 003 Center Cap Part Numbers

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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BMW E30 vintage aftermarket wheel showdown and how they compare: 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 52705 BW 1 and Ronal R 15.

December 15, 2019

  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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Is powdercoating bad for rims? Yes, and illegal in Germany. So is using heat to bend them back.

December 8, 2019

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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Toyota Techstream 0xC0040001 Error, MVCI Driver ended prematurely error and Unable to connect to vim Techstream

October 24, 2019

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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P0172 System too rich code caused by K&N or other oiled filters (contaminated MAF)

October 14, 2019

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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Lower Airdam ‘Cowcatcher’ Bracket for E30 (is airdam) STL and STEP files

September 9, 2019

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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How do sway bar works and what size of swaybar is best?

July 19, 2019

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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What type of fire extinguisher to get for a car?

February 3, 2019
What type of fire extinguisher to get for a car?

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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